Malicious PDF — malware analysis report

Static analysis result for SHA-256 5ab7208a012b5ba2…

MALICIOUS

PDF

82.0 KB Created: 2021-01-25 08:46:52 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-09-18
MD5: 0fc6f6f5d8376d9aac3aacabb0124534 SHA-1: 0362827ce82fd9ec834d411f453fb9a4fe4fc15a SHA-256: 5ab7208a012b5ba2c97f85eeeb34b337a437cb6a20e961ff9e22629395bf7604
164 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1059.007 JavaScript

The PDF contains a large number of external links, many of which are hosted on dynamic DNS services or file-sharing platforms, suggesting a link farm or phishing campaign. The presence of a 'download button' heuristic further supports the lure aspect. While no scripts were explicitly extracted, the PDF structure and numerous external URIs indicate it's designed to redirect users to malicious content, likely for phishing or malware distribution.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9996

Heuristics 6

  • ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
  • Small PDF contains mass external PDF link farm critical PDF_SEO_LINK_FARM
    Small PDF contains many clickable external PDF links, mostly clustered on one host. This matches generated SEO/link-farm PDF carriers used to route users into malicious or unwanted-software delivery chains, rather than a normal document citation pattern.
  • 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
  • External URI info PDF_URI
    PDF contains an external URL action
  • 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://traffine.ru/aws?utm_term=chandraghanta+mata+images+hd PDF link annotation
    • https://jasugupaxawuz.weebly.com/uploads/1/3/0/7/130740610/2066781.pdfIn PDF document text
    • https://pijolonaponezu.weebly.com/uploads/1/3/4/8/134879261/temeleluzugona_telavudovoma_wugijas_nusakatekev.pdfIn PDF document text
    • https://cdn.sqhk.co/jarutejip/kMhjgju/mymtn_app_apk_free_download.pdfIn PDF document text
    • http://kdghy.online/jumilup9394p.pdfIn PDF document text
    • https://cdn.sqhk.co/wubunepan/XKieyjL/big_baby_tape_balaclava.pdfIn PDF document text
    • https://cdn.sqhk.co/libavesonon/eRaijia/1113678574.pdfIn PDF document text
    • https://rimesozarabef.weebly.com/uploads/1/3/1/6/131607712/3a1c2.pdfIn PDF document text
    • https://waxogisuges.weebly.com/uploads/1/3/0/7/130776632/tamofadogawivuwed.pdfIn PDF document text
    • https://cdn.sqhk.co/zisujidixa/2ejfhgP/sniper_movies_on_netflix.pdfIn PDF document text
    • https://xomunulozesini.weebly.com/uploads/1/3/4/0/134018183/6641716dc.pdfIn PDF document text
    • https://wavasifowimuzog.weebly.com/uploads/1/3/5/3/135321241/9710212.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • http://fedorahosted.org/lohitIn PDF document text
    • https://s3.amazonaws.com/mivokozibu/doxakogazujedilorev.pdfIn PDF document text
    • https://s3.amazonaws.com/jedaxopopuko/limoxewi.pdfIn PDF document text
    • https://s3.amazonaws.com/gifiz/beresabewuxajevowox.pdfIn PDF document text
    • http://moraruvotu.epizy.com/41504099145.pdfIn PDF document text
    • https://s3.amazonaws.com/degagaziv/43900507958.pdfIn PDF document text
    • 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 PDF document text
    • http://www.geocities.com/mitra_anirban/hobbies.htmGNUIn PDF document text
    • http://www.gnu.org/copyleft/gpl.htmRegularIn PDF document text

Extracted artifacts 5

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000d979.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xD979 2944 bytes
SHA-256: 9a1b5a2132b8e54e66cfd9f18555871e619d0b0678ac6c2645178b4aeaa41eb6
font_01_sfnt_off0000e403.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xE403 5112 bytes
SHA-256: 97488116260a691fe56e6fc72cc5187ea69e5f070c1294522663c923462af8c6
font_02_sfnt_off0000f52f.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xF52F 3772 bytes
SHA-256: 4cd60777e265fafd80a6c4ac8a8f541642313e2b1c6670a3899fdf55b12f51bc
font_03_sfnt_off000100d4.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x100D4 11320 bytes
SHA-256: eacc213ce1c824e751d089ce2edfe98f131b4ec73fb28f2e40a4065b7234dc65
font_04_sfnt_off0001264b.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x1264B 5748 bytes
SHA-256: a98619967c40f463ead0e848eb82272fca0fa23ba7b63dfe078ec7c30b5aa97e

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