Malicious PDF — malware analysis report

Static analysis result for SHA-256 b37ae8527222b877…

MALICIOUS

PDF

41.5 KB Created: 2020-09-11 20:46:58 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-08
MD5: 743de240436db13e23992f39be939621 SHA-1: a66591a8e333ec2e49492745b6a5d3529e87024a SHA-256: b37ae8527222b877775aa7da4669066c270cfdaec2a27e6c07ec4da053cc0b28
184 Risk Score

Malware Insights

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

The PDF file contains a significant number of embedded links, with one identified as a malicious redirector and others forming a link farm. This suggests the document's primary purpose is to lure users into clicking these links, likely leading to malicious websites for phishing or further malware delivery. The presence of a malicious redirector URL, https://ttraff.club/wix?keyword=apache+camel+pdf, is a high-priority indicator.

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.
  • Small PDF is a non-clustered link farm on disposable hosting medium PDF_SEO_DISPOSABLE_LINK_FARM
    Small PDF contains many clickable external PDF links spread thin across many distinct hosts (no single dominant host), corroborated by a utm_term SEO-redirector link and/or links parked on free/disposable content hosts. This is the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains, rather than a normal document citation pattern. The PDF itself carries no exploit — the risk is the linked destinations.
  • 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.club/wix?keyword=apache+camel+pdf In PDF document text
    • http://files.calliecolifecoaching.com/uploads/1/3/0/7/130775045/tekimafelifisato.pdfIn PDF document text
    • http://renef.sclegendsvbc.com/uploads/1/3/1/0/131069934/fizowak.pdfIn PDF document text
    • http://kirirema.lawrencelionsbasketball.com/uploads/1/3/2/3/132303012/7967671.pdfIn PDF document text
    • http://poxariwo.kubaluka.com/uploads/1/3/0/7/130776008/c73cfb97959a.pdfIn PDF document text
    • http://files.whytherat.com/uploads/1/3/0/8/130813409/nifegagi_nanomelu_gironi_zetezomizekulof.pdfIn PDF document text
    • http://files.lakesidelabradors.com/uploads/1/3/1/6/131606046/4538241.pdfIn PDF document text
    • http://files.lisaxing.com/uploads/1/3/0/8/130874102/pujofoziz-kokamimopuba.pdfIn PDF document text
    • http://wiligixe.northwoodshumanesociety.org/uploads/1/3/2/3/132303374/5767349.pdfIn PDF document text
    • http://files.thetappingtrend.com/uploads/1/3/0/7/130776828/0faca514d35e9.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • https://static.usrfiles.com/ugd/cf5aa9_fa50532089be4c349825a582f6e1a900.pdfIn PDF document text
    • https://static.usrfiles.com/ugd/49be48_f4768870c7c6427f80a288caff3f1b92.pdfIn PDF document text
    • https://static.usrfiles.com/ugd/0cd019_ccdee5fc5c104228a1ad7c39d30acbff.pdfIn PDF document text
    • https://static.usrfiles.com/ugd/b8c837_005882a4fa324a5691640cd1ef84b234.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0438/3434/3574/files/lagu_arkana_band_pasrah.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/7885/2507/files/marriage_license_form.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/8120/3861/files/mumobawunuz.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/3951/4006/files/vegetables_companion_planting_guide.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/5282/5750/files/lysistrata_play.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_off00006479.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6479 5112 bytes
SHA-256: 1687d96b880e7c3036e229ca118aa9ae1e04d6df7e4044943e13ba30d5a834b4
font_01_sfnt_off000075bf.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x75BF 10624 bytes
SHA-256: dc07878b7641427ac7c3a8de15adeb380b9633f3ccd98d052f07513741683baa

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