Malicious PDF — malware analysis report

Static analysis result for SHA-256 341829536718e5a4…

MALICIOUS

PDF

54.8 KB Created: 2020-08-12 07:23:01 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-09
MD5: f8945350533dc5880cf0f912fdbda0db SHA-1: f928f4dd9a910c29e6815d4bd2dc3bb5c806ba94 SHA-256: 341829536718e5a4381e9dd14173dc47024bf968e8fa47a27d6a772c9500a37c
194 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1059.007 JavaScript

This PDF file contains numerous links to external PDFs, many of which point to a redirector service. The primary redirector URL is https://ttraff.cc/pify?keyword=argumentative+writing+examples+pdf, which is flagged as malicious. This suggests the document is part of a link farm or SEO poisoning campaign designed to drive traffic to malicious sites, likely for phishing or malware distribution. No scripts were extracted, but the PDF structure and embedded links indicate a malicious intent.

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=argumentative+writing+examples+pdf In PDF document text
    • http://files.drawlondon.co.uk/uploads/1/3/0/7/130739744/xilikov.pdfIn PDF document text
    • http://files.thejournalofpolitics.org/uploads/1/3/0/8/130814785/bidefasidebug.pdfIn PDF document text
    • http://files.prairieskycreations.ca/uploads/1/3/2/8/132814980/kiwasewusajeko-wiruronov-razanunogogufip-rafonixuxenadu.pdfIn PDF document text
    • http://files.avcri.org/uploads/1/3/0/8/130874143/4541112.pdfIn PDF document text
    • http://files.sleukrithmotionpicture.com/uploads/1/3/1/4/131453312/xixasudinan.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/1/0436/9140/9562/files/44967239851.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0435/1574/0314/files/88738938935.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/5017/1554/files/fenakegofilolukalene.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/8404/5719/files/30328896189.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/9875/8557/files/wepilevojujopizedafisuru.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/81108552740.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0436/4373/2126/files/6500967100.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/2532/5467/files/xowufukibowizasazeke.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/7100/3037/files/nabosevapinagirufedife.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0435/5876/4696/files/how_to_make_bookmarks_appear_automatically_in.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/1572/3414/files/44906885508.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_off000096b8.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x96B8 5572 bytes
SHA-256: 8afda50693dbd476836ae9bdfa68e1c8848d936a51f13057da768a6060f52b5f
font_01_sfnt_off0000a9a6.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xA9A6 10640 bytes
SHA-256: 9ca3fd73f68639ec241602b8665056303930fc3772dc5bf69dfb6f1b5b2762a0

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