Malicious PDF — malware analysis report

Static analysis result for SHA-256 2d3118fc9535e58b…

MALICIOUS

PDF

42.1 KB Created: 2020-08-21 06:51:11 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-08
MD5: 22fe34a0cf8b7f4c7929197ba53a5b68 SHA-1: 78080f16464e09861ae84d58618eef167fb9237a SHA-256: 2d3118fc9535e58b75163040e8f11c05be8abd4649401cdb747666f2d8e3f18a
194 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1059.001 PowerShell T1204.002 Malicious Link

The PDF contains a malicious redirector link disguised with SEO-like keywords, aiming to trick users into clicking it. The primary heuristic, PDF_MALICIOUS_REDIRECTOR_LINK, confirms this. The link redirects to `https://ttraff.cc/pify?keyword=best+book+writing+app+android`, which is a known malicious domain. The document body, though heavily obfuscated, contains references to this URL and other Shopify links, suggesting a link farm or content-luring strategy.

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=best+book+writing+app+android In PDF document text
    • http://files.cholseybluebirdsfc.co.uk/uploads/1/3/2/7/132712369/vejojelitar.pdfIn PDF document text
    • http://files.mattwheeleronline.com/uploads/1/3/0/7/130774965/ponogugefisakuz_rixiborowutebu_gizeruwaxaliz_xadure.pdfIn PDF document text
    • http://tivorab.promisedministries.com/uploads/1/3/0/7/130739654/tasagesulon_jafunenawebimer_kesimudazevipat_fiwadukop.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/1/0429/5252/3929/files/62539695870.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/0077/4308/files/public_administration_books_download.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0451/4054/1593/files/value_chain_analysis_journal.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/4089/0262/files/dofej.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/3459/8809/files/sudirujan.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/1992/7713/files/6261370491.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0440/2587/2549/files/todetofimak.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/7215/0947/files/block_facebook_ads.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0435/1400/3610/files/10707164963.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/5870/8118/files/dermatitis_atopik_pada_dewasa.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 4

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_off00006692.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6692 5440 bytes
SHA-256: 539f42e623ec99abd997614ccd1da37a4252e836f2ba4cc19767f0088674e256
font_01_sfnt_off00007933.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x7933 10112 bytes
SHA-256: 0c4138a75d0e725aab17fd36ce9547dd2f4908b5793724f380a5276a5a6166da

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