Malicious PDF — malware analysis report

Static analysis result for SHA-256 b0323e19b2c25bec…

MALICIOUS

PDF

45.3 KB Created: 2020-08-05 17:11:35 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-09
MD5: fe23277222ab9f04730e3c0c1d2ac1e4 SHA-1: 11e159d29ea32525791991eb52e73a3b730227a3 SHA-256: b0323e19b2c25beca6e85efedf341872bc6f269528fd3003339b494d6f963f11
194 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1204.002 Malicious Link

The PDF file was flagged for containing a malicious redirector link and a large number of external links, suggesting a link farm or redirection tactic. The primary malicious URL identified is ttraff.cc, which is used in conjunction with a keyword related to a book title. The document body contains garbled text but also includes the malicious URL and several benign Shopify URLs, indicating a content-luring or phishing attempt.

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=dialectics+of+liberation+pdf In PDF document text
    • http://files.walkaboutcountry.com.au/uploads/1/3/2/6/132682076/7879843.pdfIn PDF document text
    • http://files.carpetcleaningpetaluma.com/uploads/1/3/1/0/131071209/29c5d1c6f0413.pdfIn PDF document text
    • http://files.edenfarms.net/uploads/1/3/0/7/130739535/dezamipuzidipajatad.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/1/0431/4093/9933/files/saworajoka.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/1142/3902/files/arnold_schwarzenegger_it_s_not_a_tumor.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/2716/1507/files/43245191133.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/2036/1629/files/6926449815.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/2549/7239/files/avoidant_personality_disorder_treatment.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/4173/4301/files/pokerexekuni.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/3839/9912/files/luvukeguxuwidusov.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/5670/1348/files/lamimekibiseger.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/1712/6567/files/grow_ver_3_walkthrough.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/5352/2850/files/building_materials_and_construction_book_download.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/0262/6202/files/xidaniwuvijofenumapemo.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 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000741a.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x741A 5288 bytes
SHA-256: aa54bb7a3bbb45af080cbd30ef0df99d0a2fb816611b0f2a6a1bd2939997fdb8
font_01_sfnt_off00008624.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x8624 10124 bytes
SHA-256: e095d97b96d43db39d3075a7b0f35453a407765cb0e26f112d7f72885e68f14c

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