Malicious PDF — malware analysis report

Static analysis result for SHA-256 066bc8757a897bb9…

MALICIOUS

PDF

53.8 KB Created: 2020-08-05 04:10:39 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-07
MD5: 1ba82d6e43491c172fbe229ef45f41e0 SHA-1: deeeedf450f357bc3cb74c8c2d8ef3c66ec68971 SHA-256: 066bc8757a897bb9e4ca5f8da4bbb123e4ffc4bb35b12daf940bf446248ca49d
194 Risk Score

Malware Insights

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

The PDF contains numerous links to external resources, many of which are hosted on Shopify and appear to be part of an SEO link farm designed to distribute malicious content. The primary redirector URL, https://ttraff.cc/pify?keyword=attachment+theory+adults+pdf, is flagged as malicious and likely serves as a lure for users seeking the "attachment theory adults pdf". The ML classifier strongly indicates maliciousness, and the presence of many PDF links suggests a campaign to distribute further malware or phishing content.

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=attachment+theory+adults+pdf In PDF document text
    • http://files.duquesnepharmacyelectives.com/uploads/1/3/1/3/131380995/684d06f47c1d.pdfIn PDF document text
    • http://files.elleextensioncils.com/uploads/1/3/1/4/131453610/3728396.pdfIn PDF document text
    • http://bofotomik.greenorganicfd.com/uploads/1/3/1/4/131482995/veveveb-gezifokiz.pdfIn PDF document text
    • http://files.chrisrookwoodpottery.ca/uploads/1/3/0/7/130740212/tajoga.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/1/0432/1234/1412/files/7283513762.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0427/6014/3014/files/jakamobuwevedujepizuluga.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/2767/7852/files/90342061022.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/6827/6384/files/55374185563.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0439/2170/3067/files/85295969362.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/2981/5705/files/39793385632.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0436/0699/9203/files/mezonuliki.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/3791/7345/files/bowolumiwesasugadujumeto.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/7852/4832/files/mokodejelojabekamis.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0439/4595/1400/files/how_to_become_a_good_writer_and_speaker.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/5167/9898/files/love_will_tear_us_apart_bass_tab.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0448/4166/4669/files/porsche_pcm_manual.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_off0000952c.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x952C 5484 bytes
SHA-256: 8d1943c97d7ea0385785b42a1db5506d6fe3d4662c4c2bfbcd0c8f65eea68464
font_01_sfnt_off0000a7b7.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xA7B7 10288 bytes
SHA-256: d2cb4948e5604f080451916fa641978a6f86c1e9f3e24fa1560111a3da6f5994

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