Malicious PDF — malware analysis report

Static analysis result for SHA-256 e81234f974c74f71…

MALICIOUS

PDF

61.3 KB Created: 2020-08-05 23:28:08 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-09
MD5: d15172474e98e41dba44d35376bd75c9 SHA-1: 6a4ac6de1749dbbbe84206f82f484c269c976b5e SHA-256: e81234f974c74f7150aa490f477b7cea80de53421cf3c9bde31284169136b452
194 Risk Score

Malware Insights

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

The PDF contains embedded links that redirect to a known malicious domain, ttraff.com, which is flagged as a redirector and part of an SEO link farm. The document body, though heavily obfuscated, contains a reference to the same redirector URL. This suggests the primary purpose is to lead the user to malicious content or a phishing site.

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=karnataka+budget+2020+19+pdf+in+kannada In PDF document text
    • http://fadejala.aperfectmix.ca/uploads/1/3/1/4/131408024/lowamomum.pdfIn PDF document text
    • http://files.karenjrohrlach.com/uploads/1/3/1/4/131409508/f870c.pdfIn PDF document text
    • http://files.suenospublicationsllc.com/uploads/1/3/1/4/131453684/2436685f.pdfIn PDF document text
    • http://files.pivotaldancecompany.com/uploads/1/3/2/7/132740606/jomememuxikep.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/1/0433/7664/0156/files/7_days_to_die_zombie_stripper.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/5799/5160/files/65209522269.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/4112/0679/files/american_gods_episode_3_torrent.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/3792/5269/files/sijelopuvivigazarexa.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/0811/4340/files/tapivisobatofutokexapi.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/2226/2178/files/sonazudeto.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/9277/8912/files/44561183967.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0427/9464/7719/files/tojoxike.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0441/2728/9496/files/53242585791.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/7152/7325/files/55953572239.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/0079/9140/files/bajilururip.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

Related samples 8

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_off0000951b.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x951B 5656 bytes
SHA-256: ecb3f6677bf35164dc300ccdfa7134c760f295a90837a243b23b125bc57d8a88
font_01_sfnt_off0000a872.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xA872 12144 bytes
SHA-256: 5036faf2309b0fb422c518ff357340920a007cd505e99c77ecabec82ff16c3a1
font_02_sfnt_off0000d0c5.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xD0C5 16164 bytes
SHA-256: 4bd16c8abd39118228c1571b0005d4eb3b3e943e572fd92a2a80cfcb7b749349

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