Malicious PDF — malware analysis report

Static analysis result for SHA-256 b412ad60db41a3d7…

MALICIOUS

PDF

70.9 KB Created: 2020-08-23 05:09:29 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-08
MD5: 55ca7d983c1fb4d54b6c79c8fe89af84 SHA-1: 8607393c3a5839e357ab38b5a28094da5a6afafc SHA-256: b412ad60db41a3d782bcaed7dcf84e410d77d963171a440859517581d6b22ec7
194 Risk Score

Malware Insights

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

The PDF file contains a heuristic firing for a malicious redirector link, specifically pointing to 'https://ttraff.cc/pify?keyword=bollywood+action+movies+2019'. This URL is presented within the document body, disguised with a keyword to appear legitimate. The file also contains a PDF link farm heuristic, indicating it's part of a larger SEO manipulation effort. The primary IOC is the malicious redirector URL.

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.cc/pify?keyword=bollywood+action+movies+2019 In PDF document text
    • http://pavolero.theenergyalignmentcoach.com/uploads/1/3/2/8/132814930/pigeji.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/1/0432/1234/1416/files/nebolumowen.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/0727/8238/files/5e_rogue_warlock.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0435/9123/7791/files/4030550073.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/7876/2139/files/raju_bhai_movie_songs_free_naa.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0435/6639/9647/files/b._ed_admission_form_2019_aiou.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/62042090741.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0446/7992/1827/files/38917469390.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0450/1933/2766/files/economically_weaker_section_form_gujarat.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/7926/1590/files/51883749063.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0438/1753/3597/files/big_ideas_math_algebra_2_student_journal.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_off0000c2f3.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xC2F3 5772 bytes
SHA-256: ef0214cfeedc7579b9bff569b9154fb5818e00c2368f73e5303f19d7111ce358
font_01_sfnt_off0000d6ac.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xD6AC 10060 bytes
SHA-256: 51c013e5deda22365940872994a222a10919460ae1b204654bdaa2ffb86e745d
font_02_sfnt_off0000f959.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xF959 16164 bytes
SHA-256: 6e3fbd491d8b71441998836ddca0d0c102716a221ea14f8143929167ad9a79b3

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