Malicious PDF — malware analysis report

Static analysis result for SHA-256 af9092e0e097a2fb…

MALICIOUS

PDF

33.6 KB Created: 2020-08-19 18:31:01 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-08
MD5: 7f6298075bd044f76b3180a663e41b59 SHA-1: f82795c2155c5a8475d3bc234113170bb20744f3 SHA-256: af9092e0e097a2fbf18b6416f9945f7ec31aa150b2c08ec0cba2f1a59add5051
194 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1204.001 Malicious Link

The PDF file contains a high number of embedded links, many of which point to a link farm hosted on Shopify. One critical heuristic identified a link to a known malicious redirector, ttraff.com, which is likely intended to lead the user to a malicious site. The document body contains obfuscated text and a prominent link to the malicious redirector, suggesting a social engineering lure.

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=banjara+whatsapp+video In PDF document text
    • http://pezim.alabama-lera.com/uploads/1/3/0/9/130969656/2295719.pdfIn PDF document text
    • http://fapojoxap.chrome57band.com/uploads/1/3/1/4/131407493/gapavam.pdfIn PDF document text
    • http://wapugasuf.wyoasc.org/uploads/1/3/1/4/131452816/d1a08.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/1/0435/6246/7489/files/in_the_bleak_midwinter_piano_sheet_music.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/3862/9275/files/cereal_box_book_report_template.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/7370/7925/files/charminar_kannada_film.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0438/8762/4344/files/90017515423.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0440/0673/6037/files/fususuxenoloxeparej.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0436/8682/2053/files/tizubedepagowinem.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/5077/9295/files/mejanijadepeniresonota.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/3429/5966/files/fipakazirifi.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/3993/2064/files/mamukuzidavidox.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/8668/4068/files/xivulubuneromevobid.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0435/1868/9434/files/14422699523.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/8795/4073/files/adobe_reader_app_for_computer.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/2087/6962/files/70497776762.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 1

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_off0000471c.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x471C 5292 bytes
SHA-256: dfc4bd6d6e77a7da518e1ac7e572f1fee51b9da7c77024ab0fefe42594f36dc3
font_01_sfnt_off0000592c.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x592C 9484 bytes
SHA-256: 831ade9233a799b524d3897e7c9f6f776093fedd8a10ce005929554df978e60e

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