Malicious PDF — malware analysis report

Static analysis result for SHA-256 ca7a74c399ca3f94…

MALICIOUS

PDF

40.1 KB Created: 2020-08-22 04:33:37 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-08
MD5: 5489ac505c12440cd10fc735a71364eb SHA-1: 296ef844712d1520d6a5b9d3cc4037763a627836 SHA-256: ca7a74c399ca3f944bd8fbeea8c4ad7a86afbf152bf9e6a3290e75ab9a8c1dfa
194 Risk Score

Malware Insights

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

The PDF file contains a large number of embedded links, many of which point to Shopify domains hosting other PDFs, likely as part of an SEO link farm. One critical heuristic identified a link to a known malicious redirector at `https://ttraff.cc/pify?keyword=crying+woman+meme+template`. The document body text, though heavily obfuscated, contains references to "Crying woman meme template" and the malicious redirector URL, suggesting a lure to drive traffic to malicious infrastructure.

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=crying+woman+meme+template In PDF document text
    • http://files.pharmaciecocagne.ca/uploads/1/3/1/3/131384777/tovinolo.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/1/0434/7035/6632/files/tibuvoporonapata.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0439/3448/2587/files/83606032040.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/1871/5289/files/70520161936.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/0262/5178/files/musepogowiguniwelebog.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/8059/8172/files/36723305925.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/7005/3784/files/zefudirukafa.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0427/7898/4614/files/lewepagafipusowef.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0438/2228/4960/files/dusewafurusikunigibalada.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/4942/6845/files/48921887963.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_off00006066.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6066 5060 bytes
SHA-256: c2eec32059ac2dc28eb81217d61550feac8ca5271f66f754d3272e874256ad92
font_01_sfnt_off00007194.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x7194 10196 bytes
SHA-256: da4e3969804f674fefcd7a44069eda8bf7534aa2a31d329ecef0598d73448e23

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