Malicious PDF — malware analysis report

Static analysis result for SHA-256 711f2bec14c3c0be…

MALICIOUS

PDF

51.8 KB Created: 2020-08-28 01:07:05 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-08
MD5: 629d0e0d00144373b15b14b4482e2c87 SHA-1: 48e8761e8604f55db0d2afbd1e57614036fe43c8 SHA-256: 711f2bec14c3c0be429c8fc4182bb8edc7712baf96b232160f0fb133f206f5bd
202 Risk Score

Malware Insights

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

The PDF contains numerous links to external resources, including a redirector URL that is known to be malicious. The document body also contains the malicious URL and references a 'download' lure, indicating a phishing attempt to trick users into downloading potentially harmful software. The ML classifier also strongly indicated maliciousness.

Machine Learning

  • Nyx PDF Classifier malicious score 1.0000

Heuristics 6

  • 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.
  • 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.
  • Image lure linking to an SEO redirector (free-download phishing) high PDF_SEO_UTM_REDIRECTOR_LINK
    PDF embeds an image with little or no body text and a clickable link to a multi-word utm_term / FeedBurner-proxied SEO redirector — the 'free ebook / solution-manual / document download' phishing family that ranks for natural-language search queries and routes the user into a payload/redirect chain. The PDF carries no exploit; the risk is the linked destination. Flagged structurally (image lure + SEO redirector) so it does not depend on a ClamAV/ML signature, and regardless of how many filler text pages the lure carries.
  • 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://ttraff.cc/pify?keyword=autodata+crack+install In PDF document text
    • http://wunaviz.curetypeone.com/uploads/1/3/1/3/131379578/luzapikawo.pdfIn PDF document text
    • http://files.micheles-musings.com/uploads/1/3/1/4/131406403/gekesinifus_kiritebed_nowezemaxe.pdfIn PDF document text
    • http://mutitosi.sisterssangha.org/uploads/1/3/0/9/130969521/rurodaduro.pdfIn PDF document text
    • http://dafenabo.bagwelldesigns.com/uploads/1/3/1/3/131384635/lisuliworokiz-raxixaki-piroturekezux.pdfIn PDF document text
    • http://files.createitdiystudio.com/uploads/1/3/1/3/131383541/xeliralaxiwagulonu.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/7113/4106/files/chauffage__reflux.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/6975/1967/files/manual_de_apicultura_moderna_edicion_actualizada.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/9889/8592/files/85297426091.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0435/8825/5912/files/dieta_brucia_grassi_uomo.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/4819/6506/files/terozozolufawenivede.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/1577/4108/files/2330077878.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/2210/6271/files/jalep.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/0992/3481/files/tatejevi.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/7175/6698/files/wiwulodalegag.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/5670/1348/files/47027539661.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/1021/2518/files/affidavit_form_nsw_ncat.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/4410/1544/files/12557526367.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/9117/3282/files/sefuzexagixabilo.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://dejavu.sourceforge.netIn PDF document text
    • http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text

Related samples 8

Ranked by shared artifacts, heuristics, extracted URLs, CVEs, and signatures.

Full JSON: related samples API

Extracted artifacts 4

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00006d4c.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6D4C 3240 bytes
SHA-256: f85ef1620e351005116ba4d90c5d72e9807158c60fc6508469855ea32873be4e
font_01_sfnt_off000078f7.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x78F7 4984 bytes
SHA-256: 04ada5f7cf70dfe8ccfa083a7e005eb4bad85df07d6419912913984ad79183dd
font_02_sfnt_off000089f3.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x89F3 10192 bytes
SHA-256: 7c84491f5bc7567bc48feca8814286121d2c0ba8d57251c93f15cdb0ad698ec4
font_03_sfnt_off0000ad06.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xAD06 16064 bytes
SHA-256: 026a586128736d29da6542416095f0b483470add235992e736c82304e06d1e5b

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