Malicious PDF — malware analysis report

Static analysis result for SHA-256 c2a73141937bad2a…

MALICIOUS

PDF

56.3 KB Created: 2020-08-19 02:21:46 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-07
MD5: 07b0decddfb6eb89da5323e2dada0634 SHA-1: d91da2024af0393aff36756e9b972d1eefdfca27 SHA-256: c2a73141937bad2ac4c18a2f6c298ca4b265e79da093949d43af8b375ae1a3e3
194 Risk Score

Malware Insights

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

The PDF contains a significant number of embedded links, many pointing to a redirector service (ttraff.com) and a link farm hosted on Shopify. This indicates a likely attempt to lure users to malicious websites. The ML classifier strongly supports the malicious nature of this PDF. No scripts were extracted, but the link farm and redirector are sufficient indicators of malicious intent.

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=deidre+mengedoht+reporter In PDF document text
    • http://kobowugir.gregb-design.com/uploads/1/3/0/8/130814328/pizavo.pdfIn PDF document text
    • http://gopulofu.vancityscrapcarremoval.com/uploads/1/3/1/1/131164250/vowizufesob-simixufenawup-juriteta-mulufolagewofod.pdfIn PDF document text
    • http://vidodubuk.higherexpectationframework.com/uploads/1/3/2/7/132741194/8817162.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/1/0437/7496/7965/files/wugemanojo.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/0763/9711/files/18008909809.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/1103/7589/files/80505533379.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/9748/9561/files/20109423757.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/8712/5927/files/xumukojebagudoxonibi.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0436/8151/3625/files/amigdalas_palatinas_anatomia.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/3134/6856/files/shakespeare_plays_in_order_of_performance.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/9360/6056/files/biri_biri_by_king_saha_mp4.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0450/9813/9813/files/kawija.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/0438/7750/files/benny_andersson_piano_sheet_music.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/7099/7151/files/zevodemefepisediw.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
    • http://dejavu.sourceforge.netIn PDF document text
    • http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text
    • https://savannah.gnu.org/projects/freefont/In PDF document text
    • http://www.gnu.org/licenses/In PDF document text
    • http://www.gnu.org/copyleft/gpl.htmlIn PDF document text

Related samples 4

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

Full JSON: related samples API

Extracted artifacts 6

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off000061eb.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x61EB 3976 bytes
SHA-256: debe8ad5abebf52379c61823c108d3fb836862d1a1a29266e28ee2b91ddfe1c1
font_01_sfnt_off00007029.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x7029 4952 bytes
SHA-256: 46a0d2ca10cee6ceaf1246ccb8ee111d3e28cca99a99a4c80a083abcbb5ba649
font_02_sfnt_off000080ca.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x80CA 2016 bytes
SHA-256: fa836470b372d4c002ef8114088cca77ed9eb1608b18e3547acf174aed6e4b89
font_03_sfnt_off00008a2f.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x8A2F 10812 bytes
SHA-256: 0a8a72d001bffa26912f082cc23356879708ac96ffe7a87af6e2f0574d96ea4f
font_04_sfnt_off0000af53.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xAF53 16076 bytes
SHA-256: ae534ac88996215c963a78aeb32ed9384dc8ea50475975f029e54da0b9a05bfd
font_05_sfnt_off0000c3fd.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xC3FD 6104 bytes
SHA-256: 932ed85a93102613222519320e5b03ff0820c7c853bb4feb7922ef9cc8ec1c18

Open this report in the interactive analyzer, or submit your own file for analysis.