Malicious PDF — malware analysis report

Static analysis result for SHA-256 6d190a3a024c9034…

MALICIOUS

PDF

42.7 KB Created: 2020-08-20 22:06:36 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-09
MD5: b68b2915cb297d30f9c2e5539ee0132b SHA-1: 2be6acfaa56cbc302252df70e38b7187bb17d9bc SHA-256: 6d190a3a024c903472eee2adc676504630c6b6d25fd0b2502410bcf8f8dc6e08
162 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1059.007 JavaScript

The PDF contains a heuristic firing for linking to known malicious redirector infrastructure, specifically 'ttraff.cc'. The document body, though heavily obfuscated, contains the same URL, suggesting it is the primary lure. The presence of numerous other PDF links, many pointing to Shopify, indicates a link farm strategy to obscure the malicious redirector. No scripts were extracted, but the overall structure and URL suggest a phishing or malware distribution attempt.

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.
  • SEO-redirector lure link (multi-word utm_term) low PDF_SEO_UTM_REDIRECTOR_LINK
    PDF contains a clickable link to a multi-word utm_term / FeedBurner-proxied SEO redirector — the search-keyword gateway used by the 'free document download' phishing family. Surfaced as an IOC; on its own this is a low-confidence signal.
  • 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=batwara+movie++3gp In PDF document text
    • http://files.sevenwondersofwashingtonstate.com/uploads/1/3/0/7/130776599/jutukekilipim_baxosizetapefow_sexuv.pdfIn PDF document text
    • http://taguzevul.moliereexpressions.com/uploads/1/3/0/8/130873995/tojanojix-rigenujewolit-kagifimifos.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • http://fedorahosted.org/lohitIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/6785/0390/files/16294852743.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/8570/8968/files/22730472863.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0436/0008/5160/files/15360000360.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/0127/3758/files/pitekorezuwafuvagavipe.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/7567/4024/files/tawad.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/99324429390.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/4865/7311/files/33354230122.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/7895/0810/files/58252903161.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/8099/9321/files/granting_certiorari_worksheet_answer_key.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0427/8901/1612/files/2459026612.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0443/4237/8652/files/cartesian_plane_quadrants.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/3246/8904/files/38204948236.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 1

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_off00004f02.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x4F02 5296 bytes
SHA-256: 8ec41cfc2f93883ab7083701c1a9278db16b3154a505aa90c965080eb213076d
font_01_sfnt_off0000610d.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x610D 14884 bytes
SHA-256: 8e8d496aa61ffe705cda4f2557579bb2118db3dba18c9decb9013a2a1f1bdad4
font_02_sfnt_off00008fb6.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x8FB6 3916 bytes
SHA-256: 249ddb909e85eef4ad1027e9102f0da44d27d6908b3651d438c65e0935c03cca

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