Malicious PDF — malware analysis report

Static analysis result for SHA-256 a6b611a60bde70f5…

MALICIOUS

PDF

56.5 KB Created: 2020-08-05 02:56:57 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-09
MD5: fc2f6e2861aac60920fcfcede6436e94 SHA-1: 11d2a01998f2f1bb8abeb02342ee99a3516afbf4 SHA-256: a6b611a60bde70f5abfdf89990db0029d95a99ce94456ef76aca83ff0e768b16
194 Risk Score

Malware Insights

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

The PDF contains a large number of embedded links, many pointing to Shopify domains, but one critical link redirects to a known malicious infrastructure at ttraff.cc. This suggests a lure to download a file, potentially a malicious one, by disguising it as a legitimate PDF. The ML classifier also strongly indicated maliciousness.

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=can+t+hurt+me+david+goggins+pdf+reddit In PDF document text
    • http://files.agathafashion.shop/uploads/1/3/0/9/130969375/9654079.pdfIn PDF document text
    • http://files.you2masterclass.com/uploads/1/3/2/6/132680796/870551.pdfIn PDF document text
    • http://files.evansalumni.net/uploads/1/3/2/6/132682925/detopinigoji-zolamunofajo-ragupe.pdfIn PDF document text
    • http://files.vergisdigitalmarketing.com/uploads/1/3/0/8/130874252/xogalusagaguvera.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/1/0432/3826/0899/files/mowosale.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/7963/1001/files/vetagatapuxi.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/2052/5469/files/90657608307.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/1536/5031/files/galamarijururidamogoku.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/0023/3123/files/49332053560.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/6879/2732/files/25432453133.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/nifafujejugafux.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/6714/6397/files/57466491463.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/duwaxufezemurogagur.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/5564/3813/files/duzexuwodugi.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/7211/9193/files/10493102112.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/4451/1645/files/24784704812.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_off00009e05.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x9E05 5388 bytes
SHA-256: eb7c2159734f212cd7f82afb84fc9708bef8b7551a58178e463bb8b83d13fd0b
font_01_sfnt_off0000b035.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xB035 10832 bytes
SHA-256: 1f2cb0eb38cfad67a9a8db36f53455a2e83ab937f5458bd556cc265f386a979c

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