Malicious PDF — malware analysis report

Static analysis result for SHA-256 0037f29e2a9f6378…

MALICIOUS

PDF

72.4 KB Created: 2020-08-24 06:07:10 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-09
MD5: bb5a5b874b3b9805d738b9852698d325 SHA-1: 8375a8b59b77bb044b2a98ae48344c49508a0eff SHA-256: 0037f29e2a9f6378320b02917deaa93acfc43eb950c8ee18b962372cfabff2b5
194 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains numerous links to SEO-optimized redirectors, with a primary malicious redirector identified as ttraff.com. The document body, though heavily obfuscated, contains a reference to 'Skyrim enb settings guide' and the malicious URL, suggesting a lure for users seeking game-related information. The ML classifier strongly indicates maliciousness, and the presence of multiple links to redirector infrastructure points towards a phishing or malware distribution campaign.

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=skyrim+enb+settings+guide In PDF document text
    • http://files.btozpublishing.com/uploads/1/3/1/4/131406835/kakejited-bisurixubivok.pdfIn PDF document text
    • http://jivapu.rawpetfoodtennessee.com/uploads/1/3/0/7/130775045/gemuru_gefowonojubevin_nadeb.pdfIn PDF document text
    • http://files.hearttolifedesigns.com/uploads/1/3/2/3/132303382/dizexex.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • http://www.daltonmaag.com/In PDF document text
    • https://cdn.shopify.com/s/files/1/0434/1334/0316/files/calorimetry_sample_problems.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/5287/6455/files/1248499883.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/3192/8740/files/36286705145.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0435/1007/1460/files/60181661856.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/6403/2422/files/fojegufevo.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/5857/8086/files/mobogenie_android_8._0.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/7152/7330/files/16924466394.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0463/6285/3531/files/56329101479.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/6747/4087/files/risuviwo.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/7057/7045/files/77217915015.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0427/9740/0223/files/14810492871.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/6902/2109/files/sugudosolilalipetuvezi.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 6

Ranked by shared artifacts, heuristics, extracted URLs, CVEs, and signatures.

Full JSON: related samples API

Extracted artifacts 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000d170.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xD170 5084 bytes
SHA-256: 945bde4fafd9573c785c310bcc3f33468b7a089a42f8f286e6216a677729c8e0
font_01_sfnt_off0000e2a0.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xE2A0 10588 bytes
SHA-256: a1b677e17ec2bfdfd15a695f8dae945c24166262ae179c7f60daaac0ffff5bda
font_02_sfnt_off0001069a.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x1069A 4324 bytes
SHA-256: 05d2457133b820fa77aa358e30e9acfbad3f04c46ced9a37296d9311117db176

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