Malicious PDF — malware analysis report

Static analysis result for SHA-256 a3f68796bd309cd5…

MALICIOUS

PDF

41.9 KB Created: 2020-08-20 08:41:00 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-08
MD5: 38fe5165e6b95c36398a14cb3b0f1b19 SHA-1: f7d621c98028fd82a2524654ecb134c8ffafeabc SHA-256: a3f68796bd309cd554b14d83c1bb489bde80f74779e407047cb1613ebef0ddb5
194 Risk Score

Malware Insights

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

The PDF contains numerous embedded links, with one critical heuristic identifying a link to known malicious redirector infrastructure. The document body, though heavily obfuscated, contains text related to 'emulator android pokemon white 2' and the malicious URL, suggesting a lure to a phishing or malware distribution site. The presence of a link farm further indicates an attempt to manipulate search engine results or distribute content broadly.

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=emulator+android+pokemon+white+2 In PDF document text
    • http://files.whistlecreekfarm.com/uploads/1/3/0/7/130775458/3894154.pdfIn PDF document text
    • http://files.gospaslavender.com/uploads/1/3/1/6/131636655/6343634.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/1/0432/3295/2477/files/convert_in_to_word_document_online.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/3731/0632/files/sitilojurinepabirop.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0435/9254/8515/files/modern_database_management_11th.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0435/5879/7471/files/11571105894.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0438/2215/3890/files/88154152913.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/6635/8934/files/21468798458.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/5996/1237/files/63924823992.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0449/5425/5515/files/shurflo_2088_422_144.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/9898/7941/files/serious_cannon_gungeon.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/3967/7855/files/jalezamofuwegadumidu.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/9033/7182/files/rawedupemoguda.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_off000064f0.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x64F0 5268 bytes
SHA-256: bcc9ff8dd829d41941fcfb5a4c7753f6b69f4fb68ea13ffa1b85d86ce858122e
font_01_sfnt_off000076bc.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x76BC 10652 bytes
SHA-256: d9be12946824151a1100a8c59d0c2247b3a35f043d551af6c9c7cc5a467c1865

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