Malicious PDF — malware analysis report

Static analysis result for SHA-256 3338c03a328540b8…

MALICIOUS

PDF

47.0 KB Created: 2020-08-12 07:25:48 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-08
MD5: 25f84a4b925da162b408d5754b563b87 SHA-1: 0a0a1a044567405ee0078403e6ec2df44fe7ef1f SHA-256: 3338c03a328540b8b03f73c72c80dd0bd7315bd1b80144d870d74b5b934f81b1
194 Risk Score

Malware Insights

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

The PDF contains a critical heuristic firing for a malicious redirector link, pointing to 'https://ttraff.com/pify?keyword=parliamentary+system+of+pakistan+pdf'. This indicates a phishing or scam attempt where the user is tricked into downloading a file. The presence of a large number of external PDF links, many hosted on Shopify, suggests a link farm used for SEO poisoning or to obscure the final malicious destination. The ML classifier also strongly flagged this PDF as malicious.

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=parliamentary+system+of+pakistan+pdf In PDF document text
    • http://files.supportarlingtoncenter.org/uploads/1/3/1/4/131406736/bukuxegemina-suzuka.pdfIn PDF document text
    • http://bulot.sciencevisionre.com/uploads/1/3/1/4/131437919/gutinaxuwijuwojedipo.pdfIn PDF document text
    • http://files.wayne-badminton.com/uploads/1/3/1/3/131384359/9068208.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • http://www.daltonmaag.com/In PDF document text
    • https://cdn.shopify.com/s/files/1/0429/7624/7971/files/roziluzufivaget.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/3932/6365/files/7054247958.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/3316/5986/files/5890597465.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/3976/9254/files/78457174811.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/3702/3656/files/mastering_physics_chapter_4_solutions.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0436/8728/0790/files/4254269994.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/5158/1591/files/8th_grade_math_lesson_plans.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/2417/7576/files/74011674354.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/9105/9097/files/20223026833.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/4151/2855/files/free_full_javascript_tutorial.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 5

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_off00006c93.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6C93 5144 bytes
SHA-256: d9dd81a492a5e0be31c7bdf4d70fc6f7663841fe4d9d8f3458115f4b1ca681ba
font_01_sfnt_off00007dff.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x7DFF 10116 bytes
SHA-256: fbed38f85a2acf8a716e0d7f3d459f73e3a8f2a8910e6242510fb831b99ab52a
font_02_sfnt_off0000a093.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xA093 4324 bytes
SHA-256: 05d2457133b820fa77aa358e30e9acfbad3f04c46ced9a37296d9311117db176

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