Malicious PDF — malware analysis report

Static analysis result for SHA-256 9975f0627155607d…

MALICIOUS

PDF

40.4 KB Created: 2020-08-18 22:29:56 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-08
MD5: 34b8b99f481a5eba0fe3152ce3e0093d SHA-1: 6ae5ea98f4e2dd38dcdcceb745fe34974c1e78c2 SHA-256: 9975f0627155607d0d8fe92afa20830e5a622ea6d62c0a656b3ab4d2717de463
194 Risk Score

Malware Insights

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

The PDF contains a link farm and a critical redirector link pointing to 'ttraff.cc'. This infrastructure is used to redirect users to potentially malicious content. The ML classifier strongly indicates maliciousness. The document body, though heavily obfuscated, contains the redirector URL and several other URLs hosted on Shopify, likely part of the link farm.

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=butterball+electric+fryer+xl+manual In PDF document text
    • http://files.nlbeekeeping.com/uploads/1/3/2/7/132712080/5847028.pdfIn PDF document text
    • http://files.classof68organization.com/uploads/1/3/1/8/131871622/fb2adc.pdfIn PDF document text
    • http://rawazimi.landstarcontracting.com/uploads/1/3/1/8/131871921/2353727.pdfIn PDF document text
    • http://files.hicksandsonsjunkremoval.com/uploads/1/3/2/7/132740237/239841f.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/1/0428/0382/2755/files/27842249052.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/5025/3992/files/7716054187.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0435/8720/7331/files/act_practice_test_1_answer_key.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/4738/6264/files/sekifiwesasigufonun.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/6555/7671/files/44002126590.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/4008/0025/files/latin_to_english.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/1035/8423/files/analysis_of_transport_phenomena_solutions_manual.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/8882/2950/files/charlie_puth_song_attention.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/9754/7157/files/rofivor.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/7773/0464/files/todunitewepep.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 7

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_off00005f89.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x5F89 5208 bytes
SHA-256: b000babbdebfafedea0c3f955a36815fb1afd5d5ed640f16c8423672ab6e70c1
font_01_sfnt_off0000713b.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x713B 10352 bytes
SHA-256: 31bea505d510eefd3408bc5c873218e4cc3a8c40796a62bcda2cea0100ea62c9

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