Malicious PDF — malware analysis report

Static analysis result for SHA-256 ca6d5c5e990ed376…

MALICIOUS

PDF

116.8 KB Created: 2021-06-06 14:33:48 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-07
MD5: ba47d15bde2c2c783b21e73b2d3002c7 SHA-1: e7d84bc06d4233f0af4b1389a1641e7f2461621c SHA-256: ca6d5c5e990ed376a2709c15b23667a5862a96392665cc42313d9219638c1b2f
222 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.9988

Heuristics 7

  • ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
  • PDF links to known malicious redirector infrastructure critical PDF_MALICIOUS_REDIRECTOR_LINK
    PDF contains a clickable URI to redirector infrastructure used by a known malicious PDF SEO/adware delivery campaign. These documents typically rely on user interaction and redirect chains rather than a PDF parser vulnerability.
  • PDF link farm points to compromised-WordPress upload storage medium PDF_COMPROMISED_CMS_UPLOAD_LINK_FARM
    PDF contains multiple clickable links, across many distinct hosts, whose targets are random-slug files parked in the upload directories of vulnerable WordPress form plugins (FormCraft, Super Forms). This is the hallmark of the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains hosted on compromised sites. The PDF itself carries no exploit — the risk is the linked destinations.
  • Small PDF is a non-clustered link farm on disposable hosting medium PDF_SEO_DISPOSABLE_LINK_FARM
    Small PDF contains many clickable external PDF links spread thin across many distinct hosts (no single dominant host), corroborated by a utm_term SEO-redirector link and/or links parked on free/disposable content hosts. This is the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains, rather than a normal document citation pattern. The PDF itself carries no exploit — the risk is the linked destinations.
  • Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTON
    Document contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
  • Object number defined twice with different bodies info PDF_DUPLICATE_OBJ_BODY_INCREMENTAL
    The same indirect object (N G) is defined more than once with different body bytes. First-wins and last-wins readers will resolve different content, which is a parser-confusion shape used by targeted PDFs. Body-only differences are common in benign incremental updates, so severity is raised only when the duplicate carries active content.
  • Embedded URL info EMBEDDED_URL
    One or more URLs were extracted from the document. The URL itself is not a detection — see the per-URL labels for which channel (macro, JS, link annotation, document body, ...) reached each URL.
    URL https://huntic.ru/uplcv?utm_term=rig+veda+mantras+in+tamil+pdf In PDF document text
    • https://foxtailmag.net/wp-content/plugins/super-forms/uploads/php/files/c3a84b5364ff907d4cb10d55b91ab6c3/23007626799.pdfIn PDF document text
    • http://www.sunargrup.com.tr/wp-content/plugins/super-forms/uploads/php/files/tmf5mlepdbl1u3ed0vv6eppnf4/62204139686.pdfIn PDF document text
    • http://coopmong.com/ckupload/files/vofoxamegelizekivip.pdfIn PDF document text
    • http://fashioncenterpoint.com/wp-content/plugins/super-forms/uploads/php/files/54dd66e250b83c4f634c0e5f61c45b30/19017814047.pdfIn PDF document text
    • https://skazkavdom.com/wp-content/plugins/super-forms/uploads/php/files/7ddc08162dcf41d96ddff0c026c9dff1/vaweziluxiteje.pdfIn PDF document text
    • https://www.tanyadantus.com/wp-content/plugins/super-forms/uploads/php/files/7858d65efb44a712b422e40ded7d693b/74213235565.pdfIn PDF document text
    • http://lbs.ac.at/wp-content/plugins/super-forms/uploads/php/files/hdoa607nfmstiq0pffjgd6lq2e/93264490868.pdfIn PDF document text
    • https://awlights.com/wp-content/plugins/super-forms/uploads/php/files/5059fbc5dcb6d6572f7d72a037c54c79/moxometug.pdfIn PDF document text
    • https://ohligschlaeger-berger.de/wp-content/plugins/formcraft/file-upload/server/content/files/1606e688a305f7---76743895070.pdfIn PDF document text
    • https://pabausa.org/wp-content/plugins/formcraft/file-upload/server/content/files/1609c692a6a671---kodarumaviboduvi.pdfIn PDF document text
    • http://arch-teh.com/pic/userfile/wafutodiwupife.pdfIn PDF document text
    • https://www.lightingsolutionsal.com/wp-content/plugins/super-forms/uploads/php/files/8744e1530d9fd347e4b44b0d3db3897b/72111928753.pdfIn PDF document text
    • http://europeanprofservices.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a132cb2e0bb---43675200229.pdfIn PDF document text
    • https://www.geosuiteonline.de/wp-content/plugins/formcraft/file-upload/server/content/files/160b00e9786a76---wusezekoloji.pdfIn PDF document text
    • https://husvagnsexpo.se/wp-content/plugins/formcraft/file-upload/server/content/files/1608046809ce4c---18377684851.pdfIn PDF document text
    • https://transcendenceit.com/wp-content/plugins/super-forms/uploads/php/files/359691ddcf6a15986d7d2e74ba754a93/64909611226.pdfIn PDF document text
    • https://kvgrup.com.ua/wp-content/plugins/formcraft/file-upload/server/content/files/16098a71277491---49442103695.pdfIn PDF document text
    • http://www.ascendercorp.com/In extracted file (font_00_sfnt_off00010a1a.bin)
    • http://www.ascendercorp.com/typedesigners.htmlIn extracted file (font_00_sfnt_off00010a1a.bin)
    • http://fedorahosted.org/lohitIn extracted file (font_01_sfnt_off00011c88.bin)
    • http://www.w3.org/1999/02/22-rdf-syntax-ns#In PDF document text
    • http://purl.org/dc/elements/1.1/In PDF document text
    • http://ns.adobe.com/pdf/1.3/In PDF document text
    • http://ns.adobe.com/xap/1.0/In PDF document text
    • http://ns.adobe.com/xap/1.0/mm/In PDF document text
    • http://ns.adobe.com/xap/1.0/rights/In PDF document text
    • http://scripts.sil.org/OFLIn extracted file (font_00_sfnt_off00010a1a.bin)
    • http://www.geocities.com/mitra_anirban/hobbies.htmGNUIn extracted file (font_02_sfnt_off0001403c.bin)
    • http://www.gnu.org/copyleft/gpl.htmRegularIn extracted file (font_02_sfnt_off0001403c.bin)

Extracted artifacts 6

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00010a1a.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x10A1A 5428 bytes
SHA-256: 8e52eeb3abbfbf38c8d6f97efb0c2ac4044ff3e9d7e50fd4e1f408872c6fd52c
font_01_sfnt_off00011c88.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x11C88 14968 bytes
SHA-256: 1f8c2b5fdd9f3fab65919fdd0f3a754ca0d3868e53e2d2ba57f876d9724610b7
font_02_sfnt_off0001403c.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x1403C 3772 bytes
SHA-256: 9389eabb5da0f7ff5893e499ff791b47d46466a46589dcf6e6727fbd9e34bd63
font_03_sfnt_off00014be0.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x14BE0 18848 bytes
SHA-256: b64dd81eeb2d9900aa1d9e9e44e120d9719314cdd36c4e5525223e5727933564
font_04_sfnt_off000178b7.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x178B7 12852 bytes
SHA-256: 6fece492fe1536bce2b501237dfacd4156d8cfaea28ec27fd88bc8987a7de5ff
font_05_sfnt_off0001a370.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x1A370 9556 bytes
SHA-256: f6fea557e71d668ede29a4924b431242ac62f576aa6af76269337c312fc94129