Malicious PDF — malware analysis report

Static analysis result for SHA-256 d4b80b26c5252a29…

MALICIOUS

PDF

52.8 KB Created: 2020-08-20 07:19:45 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-08
MD5: 419b245b16224ffb4326ed2684cf6435 SHA-1: 11bc1ede5ce2a2635c2b81afe3d692d84d2db0c8 SHA-256: d4b80b26c5252a29e6a51762f8f95bd1d94b4860acc9794a2bbbdbf18e7b732d
194 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1059.001 PowerShell

The PDF contains a heuristic firing for a malicious redirector link pointing to 'ttraff.com'. Additionally, it exhibits characteristics of a PDF link farm, embedding numerous external links, many of which point to Shopify-hosted PDFs. The document body, though heavily obfuscated, contains the same redirector URL and a Shopify URL, suggesting a lure to external content. The primary attack pattern involves redirecting the user to a malicious site via the embedded link.

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=name+meaning+in+tamil+app In PDF document text
    • http://files.nafsijewels.com/uploads/1/3/0/9/130969545/pobeles-soridopovofep-meden.pdfIn PDF document text
    • http://files.rickstamalehut.com/uploads/1/3/1/1/131163578/xasaxiridunovuk.pdfIn PDF document text
    • http://files.ryesnextchapter.com/uploads/1/3/0/7/130775668/valanipivis-radamagifotil-jojosevuvi-totofedafeja.pdfIn PDF document text
    • http://fedorahosted.org/lohitIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • http://www.daltonmaag.com/In PDF document text
    • https://cdn.shopify.com/s/files/1/0429/7631/3503/files/nujigavuxibixolutomererar.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/4222/5832/files/pagimezagojir.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/3900/6632/files/34625581379.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/3526/3138/files/40934953618.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/2943/8370/files/nubirote.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/8617/5651/files/emotional_intelligence_quotes.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0435/0679/4656/files/56574114039.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/7418/2563/files/33729022554.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 6

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

Full JSON: related samples API

Extracted artifacts 4

Files carved from inside the sample during analysis.

FilenameKindSourceSize
stream_005_off0000724d.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x724D 12396 bytes
SHA-256: 3635c158bbb3eb0f9f1e8c55a1c254c292d37271acf5b592ea289b27e7c6d651
font_00_sfnt_off0000631c.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x631C 4512 bytes
SHA-256: 94fd0b050d886daa76768d98bcd53d00951da723e27da310d68f01aedac59fb4
font_02_sfnt_off0000921e.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x921E 11336 bytes
SHA-256: b0d8e02ebf7d6b003f0ed6525ff6195bb30ca8a4b6cd8b7c345e2b3b08d760e0
font_03_sfnt_off0000b7a1.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xB7A1 4324 bytes
SHA-256: b50a2106bf82917db0cd3cf88f63c5e8cc3298b343ace5cffc591b35df33d24c

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