Malicious PDF — malware analysis report

Static analysis result for SHA-256 f1db5db172d78896…

MALICIOUS

PDF

47.4 KB Created: 2020-08-12 06:20:40 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-08
MD5: 94604f6718203cf261cdfe8fcb4899e3 SHA-1: ebfae6258e4edb460e993cdd42063dbafec81b82 SHA-256: f1db5db172d7889619f82d7d93a4bb0171a417e93eb28f5a9ac5aec42d4e8f1c
194 Risk Score

Malware Insights

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

The PDF document contains a mass of external links, many of which are hosted on Shopify. One of these links, disguised as 'Nejm author guidelines pdf', redirects to a malicious URL on 'ttraff.com'. This indicates a phishing or scam attempt designed to lure users to malicious infrastructure. No scripts were extracted, limiting the analysis of further malicious behavior.

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.com/pify?keyword=nejm+author+guidelines+pdf In PDF document text
    • http://files.denverdeckandfence.com/uploads/1/3/0/8/130814205/ddf4ae.pdfIn PDF document text
    • http://files.rootsjuiceco.com/uploads/1/3/1/3/131384300/2a71b78bf3.pdfIn PDF document text
    • http://files.abodobusinesssolutions.com/uploads/1/3/0/9/130969681/gezopobobujija.pdfIn PDF document text
    • http://gagade.visitgoringandstreatley.co.uk/uploads/1/3/1/0/131070786/tiwowogijipeti.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/1/0427/9074/8316/files/lijeleped.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0447/9765/7248/files/perfect_10_magazine.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/6893/8647/files/44777480114.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/3100392900.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/0820/4708/files/loludiwexolasu.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/5940/4197/files/construction_scope_of_work.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/2429/3794/files/i_ve_got_big_balls_song.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/6656/4520/files/ralebijimolosawedoka.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/7899/1518/files/ron_and_ian.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/53293114795.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0427/4126/8647/files/63870206705.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/5479/1832/files/catalogue_muji.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 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00006dbe.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6DBE 5384 bytes
SHA-256: 83f01a299e1f368625cf96f15729ce2c27d496772160caca618d58a9a2624649
font_01_sfnt_off00007ff4.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x7FF4 10144 bytes
SHA-256: ded9f80fe54822ace5e8f99f4a7b1df861f6c3fda416654cda6fe3650672dbec
font_02_sfnt_off0000a2a3.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xA2A3 4324 bytes
SHA-256: 7f6049e5011acf0e8581793f2bc2bb947aac2929fdb77abc318b2a6155c1ef71

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