Malicious PDF — malware analysis report

Static analysis result for SHA-256 2108b9d844b3d421…

MALICIOUS

PDF

45.7 KB Created: 2020-08-11 09:31:57 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-08
MD5: 3fdd09d1598b34b594d83f63b54aaeda SHA-1: cb88137971e07d9ad9cba0804ac4792ddf8fd022 SHA-256: 2108b9d844b3d421128dfcf675bc7a40c3c480e32f11f25c71d3258d8e7ff2f3
202 Risk Score

Malware Insights

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

The PDF contains a link farm designed to mimic search engine results, with a primary malicious redirector link. The document body, though heavily obfuscated, contains the text 'Non editable pdf to word converter online' and the malicious URL 'https://ttraff.cc/pify?keyword=non+editable+pdf+to+word+converter+online', suggesting a lure to a malicious site. The presence of numerous links to Shopify-hosted PDFs indicates an attempt to create a large, SEO-optimized link farm for malicious redirection.

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.cc/pify?keyword=non+editable+pdf+to+word+converter+online In PDF document text
    • http://files.inspiredbyqueens.org/uploads/1/3/1/6/131606874/kovotalave_fakefelakumedu_mokadodupimulox.pdfIn PDF document text
    • http://bifamad.l1goalkeeper.com/uploads/1/3/0/7/130775634/6476114.pdfIn PDF document text
    • http://files.threeatlantacats.com/uploads/1/3/2/7/132740307/vifomolegoxaka.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/1/0431/0004/5469/files/dazumedejoniwaf.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0438/5921/4501/files/minecraft_place_block_command.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/0885/1098/files/zapaxeratiluwozi.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/8514/3965/files/niwovakuzebini.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0439/4047/9144/files/37932203442.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/8342/3128/files/77667456917.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0439/1727/9400/files/bitekene.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/3942/4669/files/pirojavadalogaparaguta.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/mozinetesabelenigifil.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/3220/7782/files/classroom_jobs_application.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/6545/0389/files/research_terminology_simplified_paradigms_axiology_ontology_epistemology_and_methodology.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/6421/4182/files/15817421096.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/0061/9423/files/dozaxufabavobetawovos.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/5465/1799/files/on_his_blindness_summary_download.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

Extracted artifacts 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00006697.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6697 5020 bytes
SHA-256: b8d95e492e1df8ef7c871e3e8b7f148eec0fe8143128fe1b80ff6d0aa263f93f
font_01_sfnt_off000077ca.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x77CA 10332 bytes
SHA-256: 41bfaa45022dfe81156ed918f0e201295e362b9db92bf689d21e193a16413b3d
font_02_sfnt_off00009b14.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x9B14 4324 bytes
SHA-256: 1158d95dac44631f497756703988ba3645251422e7ff0015d3fca430225e7c3e