Malicious PDF — malware analysis report

Static analysis result for SHA-256 fdec07c916c12993…

MALICIOUS

PDF

45.4 KB Created: 2020-08-20 19:40:29 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-08
MD5: 7b7c69658b3ddbf2d33d58a176ff199b SHA-1: 0a098e9aa0083460e9c1d2679341b86741df66f6 SHA-256: fdec07c916c12993ab76ddf6de31332ceb64a163cac283371a1a886bccac381b
202 Risk Score

Malware Insights

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

The PDF contains a heuristic firing for a malicious redirector link and a link farm, indicating a phishing or scam attempt. The document body also contains the URL 'https://ttraff.ru/pify?keyword=full+face+mask+template' which is presented as a call-to-action, likely to trick the user into clicking it. The presence of numerous other PDF links suggests an attempt to manipulate search engine results or distribute further malicious content.

Machine Learning

  • Nyx PDF Classifier malicious score 1.0000

Heuristics 6

  • 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.
  • Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTON
    Document contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
  • 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.ru/pify?keyword=full+face+mask+template In PDF document text
    • http://files.triplejmoab.com/uploads/1/3/1/3/131379099/fewerezider.pdfIn PDF document text
    • http://files.shop-phe.com/uploads/1/3/1/4/131455198/zenunavu-towawelef.pdfIn PDF document text
    • http://files.heart2heartknittingfiberarts.com/uploads/1/3/2/8/132814611/susufiku_gofunolune_tasitabukulije.pdfIn PDF document text
    • http://files.ndeauction.org/uploads/1/3/0/8/130814466/fatidev-lotebozir-lesagenus.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/1/0440/8256/1176/files/bosquejo_del_libro_de_hebreos.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/1992/7713/files/tekupevizunazodepomozu.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/4151/3894/files/koxononif.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/2578/3190/files/cancer_de_mama_epidemiologia_mexico_2020.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/0595/2671/files/blacksmith_wow_classic_leveling_guide.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0449/9672/2852/files/adam_khoo_trading_strategy.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/8937/1044/files/43023401589.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/3747/4472/files/samsung_galaxy_s8_android_10_rom.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/9823/5289/files/19363922927.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/6559/0438/files/79529725240.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 7

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_off0000743d.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x743D 5084 bytes
SHA-256: fda945ceab4970b5c11b5208f2911d1bd2093c4f8052302d5759ce77ae3a23e7
font_01_sfnt_off00008583.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x8583 10412 bytes
SHA-256: 11c1322ba787f3aec3036b2ad07479b93ba5933e7b413fa2612b39e03fa6bfec

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