Malicious PDF — malware analysis report

Static analysis result for SHA-256 05172f61364349db…

MALICIOUS

PDF

45.0 KB Created: 2020-07-29 18:02:07 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-07
MD5: 0e0cd2f015c21324eed288762f23ba73 SHA-1: db051170181bde8aa442fe852bd4a43060b9fe77 SHA-256: 05172f61364349db2c1a816e27e3b3db21910ad442dfadc1c2738e9ea2b4af9f
194 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

This PDF file contains numerous embedded links designed to create a link farm, likely for SEO manipulation or to distribute malicious content. The primary malicious link, https://ttraff.cc/pify?keyword=biafra+war+in+nigeria+pdf, is identified as a redirector to known malicious infrastructure. The ML classifier strongly indicates maliciousness, and the overall structure suggests a phishing or malware distribution 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.cc/pify?keyword=biafra+war+in+nigeria+pdf In PDF document text
    • http://files.dawnlarsenmusic.com/uploads/1/3/1/4/131453132/panux.pdfIn PDF document text
    • http://files.theparklinenc.com/uploads/1/3/0/7/130775171/3644725.pdfIn PDF document text
    • http://files.flos5dollarhouseofbling.com/uploads/1/3/0/9/130969755/6183be2e51.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/1/0431/3019/2039/files/suvogusonawode.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/9590150980.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/5857/7056/files/2639331736.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/9655/6191/files/11294626501.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/9641/6157/files/71529357732.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0438/5603/6005/files/gapize.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/2981/5705/files/56283748124.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/vejumilaro.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/lujodegiduwidixerilaji.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/3153/5524/files/11449510202.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/7704/1304/files/gelurovavabel.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/73470001672.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 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00007533.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x7533 4736 bytes
SHA-256: 167b9aec9e03cd89eec1ac511f0eb0b6a7ba9e622af89d30c5de868fb0d62a6e
font_01_sfnt_off00008557.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x8557 9864 bytes
SHA-256: b6b2e6e42ebd302661b3ebccb99bd949beaee890b96cd9c9f717d195376300f8

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