Malicious PDF — malware analysis report

Static analysis result for SHA-256 d906f535f0a10718…

MALICIOUS

PDF

40.3 KB Created: 2020-08-22 04:25:58 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-08
MD5: 6ef1f550d9edf69d690ee916b2c47a83 SHA-1: ba3bd6be8dba6b44f0558c21493da2669ea0be3b SHA-256: d906f535f0a10718ab3e9428129d4660254f76e95f7294ace5fd4b118fbc3b56
194 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1204.002 Malicious Link

The PDF document contains numerous links, masquerading as a user manual, that redirect to malicious infrastructure. The primary malicious URL identified is https://ttraff.com/pify?keyword=airtel+4g+hotspot+user+manual. The document body itself is largely garbled, but the presence of the malicious redirector link and the PDF_SEO_LINK_FARM heuristic strongly indicate a phishing or redirection attempt.

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=airtel+4g+hotspot+user+manual In PDF document text
    • http://suwusom.legendarypg.com/uploads/1/3/1/0/131071157/wugisaj-xagimar-fefetaxil.pdfIn PDF document text
    • http://files.familymatterseducation.com/uploads/1/3/0/7/130738568/b49edb455e3c21.pdfIn PDF document text
    • http://files.blmslibrary.org/uploads/1/3/1/6/131606644/ebdfe5.pdfIn PDF document text
    • http://gejiw.bkindboutique.com/uploads/1/3/1/8/131856772/relibe_gonakemugiluli.pdfIn PDF document text
    • http://files.finalfinishdetailing.com/uploads/1/3/2/7/132710655/levin_linebedanelu_vidaki_vukadidi.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/1/0429/5501/4298/files/fegerelevodetobevuki.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/6018/9594/files/tomuziwusez.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/5858/4986/files/calculus_limits_worksheet.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/18396470220.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/7839/3749/files/letiwumuwogedizanaziw.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/6051/7269/files/xevevugubegix.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/3709/0211/files/67109521963.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/7333/9559/files/41733008682.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/9712/8102/files/nursery_songs_mp4.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/6440/9764/files/51901775917.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0436/3298/4222/files/28089832028.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 8

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

Full JSON: related samples API

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000607e.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x607E 5308 bytes
SHA-256: 4ef3d01b9089d7c7bf6937cecca5a032133bce08aae75ccfa2f86d7685908cc8
font_01_sfnt_off0000726e.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x726E 9948 bytes
SHA-256: 7dae894af1a139be2c046dffa4df96dcbafeb6753c160fc14bbea5658fd5bf7f

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