Malicious PDF — malware analysis report

Static analysis result for SHA-256 0a0b45bb48950a4d…

MALICIOUS

PDF

51.9 KB Created: 2020-08-21 10:36:59 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-09
MD5: c676a38aab755984a3803e6de8d6ac99 SHA-1: c05f44544aa99f516c3d4b25073c54e0ebd9dce6 SHA-256: 0a0b45bb48950a4d71f760d47ece7d4681d2c12234eab6247edc72e2db7f1f9b
202 Risk Score

Malware Insights

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

The PDF contains numerous links, many of which point to an SEO redirector infrastructure (ttraff.com) that is flagged as malicious. The document body and heuristics indicate a lure for a fake online form, likely to phish credentials or deliver a payload. The presence of embedded URLs and the ML classifier strongly suggest malicious intent.

Machine Learning

  • Nyx PDF Classifier malicious score 1.0000

Heuristics 6

  • 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.
  • Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTON
    Document contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
  • 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=ccs+university+ba+online+form In PDF document text
    • http://files.traveltherapyco.com/uploads/1/3/1/4/131453109/nupetatapa_gavokufofis_padowibe_fakitelidenitig.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/1/0427/6345/2583/files/dokezemuzilejuvitufomuguv.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/6150/1336/files/riwidefexarekezoz.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/6110/7096/files/classic_wow_leveling_guide_warlock.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/1146/5638/files/number_in_english_worksheets.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/2990/5058/files/metal_gauge_thickness_chart.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0448/9786/1787/files/hindu_girl_name_list_download.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/6300/8664/files/xunabafagu.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/5498/0505/files/world_boss_timer_gw2.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/7852/4832/files/bsc_physics_syllabus_kerala_university.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/6287/8618/files/29788225797.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0427/7259/4844/files/beboxo.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/7037/4559/files/bowovaxebavaluwumo.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_off000077aa.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x77AA 5232 bytes
SHA-256: aa75a8fe786f635f9cb0e76b2dc7fba1dbe81691dc5f89875e03db65ffab16ab
font_01_sfnt_off00008963.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x8963 10524 bytes
SHA-256: c40996319642e9ef0740697208761c7dbe55ccc7aa835562c9bb172504962d28
font_02_sfnt_off0000ad4e.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xAD4E 16164 bytes
SHA-256: 6e3fbd491d8b71441998836ddca0d0c102716a221ea14f8143929167ad9a79b3

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