Malicious PDF — malware analysis report

Static analysis result for SHA-256 a6e445f746e2d530…

MALICIOUS

PDF

48.9 KB Created: 2020-08-07 22:58:30 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-07
MD5: 16931c8d9fb729669fb57d20aa3ea0cc SHA-1: 59a05ea3e3a79090f3f7f34dc55de3e9677f6659 SHA-256: a6e445f746e2d530cc63ab5b91fb2f10b25494b122889a12e9c67274391a7736
194 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1059.001 PowerShell

The PDF contains embedded links, one of which, https://ttraff.com/pify?keyword=chaupai+sahib+pdf+with+meaning, is identified as a malicious redirector. The document body, though heavily obfuscated, contains references to this URL and other Shopify URLs, suggesting a lure to disguise malicious activity. The presence of a link farm and the ML classifier's high confidence further support the malicious nature of this document.

Machine Learning

  • Nyx PDF Classifier malicious score 1.0000

Heuristics 5

  • 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.
  • 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.com/pify?keyword=chaupai+sahib+pdf+with+meaning In PDF document text
    • http://files.cosmicsistershop.com/uploads/1/3/0/9/130969364/8126109.pdfIn PDF document text
    • http://files.duchypoa.org/uploads/1/3/0/8/130874109/luwavibo.pdfIn PDF document text
    • http://files.behomewreckerstogether.com/uploads/1/3/0/9/130969354/9fd120b.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://cdn.shopify.com/s/files/1/0437/8080/0674/files/93116948495.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/4927/1975/files/bulimia_anorexia_y_vigorexia.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0435/1941/0335/files/gikakamilotanazo.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/3951/5039/files/wusovu.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/0389/6217/files/faditepigematok.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0438/4948/2400/files/zazumotiwexigo.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0435/3094/4671/files/christopher_walken_hot_dogs.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/6775/3116/files/wulakaxipepejasuzo.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0427/6515/6508/files/nizowaborepeniwin.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/pafinekumukomotutawewokab.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0427/8052/4710/files/79822116511.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

Related samples 5

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

Full JSON: related samples API

Extracted artifacts 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off000073ab.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x73AB 5464 bytes
SHA-256: e6b2cd13d5e8c63eb1e042894780696fbfa01801cf51e067eb058baee8b298b5
font_01_sfnt_off00008625.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x8625 3284 bytes
SHA-256: 88859fd07f8e2182eae08f527a5a31e4341788096308658dcba4bea50f99ae8e
font_02_sfnt_off0000938d.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x938D 10120 bytes
SHA-256: f2c8bdb1b458c96570db6ff821faa02ca249231d1b7cc6b967241b0d856c62d0

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