Malicious PDF — malware analysis report

Static analysis result for SHA-256 0e89becc065f3c8b…

MALICIOUS

PDF

40.7 KB Created: 2020-08-19 05:57:02 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-09
MD5: ef526205ddbd531445227eafda3dacb3 SHA-1: 4d1be1717e4b93ae6d9d3ec8e629ac4f7b48fc1c SHA-256: 0e89becc065f3c8bf4c351f07f8b72c2a97d4726dfdfc2bc8ee47ed1389c34cc
194 Risk Score

Malware Insights

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

The PDF contains a large number of embedded links, many of which point to a redirector service known for malicious activity. The document body and heuristics indicate a lure for free software, specifically mentioning 'adobe photoshop free new version', which is a common phishing tactic. The presence of embedded URLs and the ML classifier's high confidence score strongly suggest malicious intent.

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=adobe+photoshop+free++new+version In PDF document text
    • http://files.bestkidintheworld.org/uploads/1/3/1/8/131871614/9784030.pdfIn PDF document text
    • http://files.tournamentmanagementsolutions.com/uploads/1/3/0/7/130776110/f242ee33dbb0bb.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/1/0431/7767/2868/files/fisiopatologia_do_cancer_de_colo_de_utero.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/9019/8180/files/how_to_become_a_better_public_speaker.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/7804/8162/files/biochemistry_by_lehninger_free_download.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/7044/5975/files/crecimiento_microbiano_en_alimentos.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/6986/6133/files/minulubosewibopetonid.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/3581/9173/files/litoxiwunupivebusedebeji.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0438/3070/6333/files/nexaxurodinodeg.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/7546/0517/files/75538541011.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/5040/1945/files/piriform_free_ccleaner.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/8196/5461/files/sonda_vesical_de_alivio.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 2

Ranked by shared artifacts, heuristics, extracted URLs, CVEs, and signatures.

Full JSON: related samples API

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off000061bd.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x61BD 5168 bytes
SHA-256: 0ede311013d4208c67382614abf5f9486eed90b73fe48c59c8c375cbeb3c0fa2
font_01_sfnt_off00007360.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x7360 10248 bytes
SHA-256: b59c4bd48465d694d5cc8358aa7d7795778f9f19674c06e35266a91771d30c77

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