Malicious PDF — malware analysis report

Static analysis result for SHA-256 477de5705c477a9c…

MALICIOUS

PDF

45.4 KB Created: 2020-08-08 11:39:32 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-07
MD5: 00059ec23053405996865d55d15ee392 SHA-1: f931d10897bfb6d6977934361353c98bc51c012b SHA-256: 477de5705c477a9c4d3eb5063f30b42a5b18c6da4f8d71dfaaef1847a5b7b422
194 Risk Score

Malware Insights

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

The PDF contains numerous embedded links, with a critical heuristic firing indicating a link to known malicious redirector infrastructure at 'https://ttraff.com/pify?keyword=dosha+quiz+pdf'. The document body, though heavily obfuscated, also contains this URL. The presence of a large number of external PDF links suggests a link farm or a mechanism to distribute further malicious content. The ML classifier also strongly flagged this PDF as malicious.

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=dosha+quiz+pdf In PDF document text
    • http://files.art35n.org/uploads/1/3/2/6/132681488/gurapeverusisop.pdfIn PDF document text
    • http://tisigorib.sayrevillesquad.org/uploads/1/3/0/8/130873951/fuvimiju.pdfIn PDF document text
    • http://files.mazarchery.com/uploads/1/3/2/6/132682134/9294203.pdfIn PDF document text
    • http://mexoti.mosaicjusticenetwork.org/uploads/1/3/1/3/131383791/7b25547f2800.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/1/0438/0668/7389/files/brutal_doom_hell_on_earth.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0427/7701/8524/files/papilewom.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/8152/1560/files/35981708003.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0438/3480/2333/files/bikifu.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/76957488457.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/4536/3610/files/60407660928.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0443/0469/5452/files/el_escepticismo.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/81397135942.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/2848/0154/files/faborifuzaderujojo.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/7002/9975/files/85762890086.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/6818/6024/files/kupavajesu.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/9154/2681/files/79088180793.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/4184/1575/files/18870689673.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_off000074d4.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x74D4 5176 bytes
SHA-256: 02688c15c32e5fe6e93fddece117ab6828f686626e7a100780c9fe0446707cad
font_01_sfnt_off0000867e.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x867E 10180 bytes
SHA-256: b9d8b93c09091b007b225a61ef91cd27604a4e5652d9f9d88cec3cb0134fb053

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