Malicious PDF — malware analysis report

Static analysis result for SHA-256 475cf478c5cda27f…

MALICIOUS

PDF

48.8 KB Created: 2020-08-09 04:55:21 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-08
MD5: 41962db0e55604062b0dc4fbe326aa7c SHA-1: e8b7c6f406e5d4a4e5fd4d3272908645e7f2e264 SHA-256: 475cf478c5cda27fa231321c8e7c7f5b55f997a70537758854b7d791320e199c
194 Risk Score

Malware Insights

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

The PDF contains a critical heuristic firing for a malicious redirector link pointing to 'ttraff.com'. The document body, though heavily obfuscated, contains the same URL and appears to be a lure related to 'social media metrics'. The presence of numerous external PDF links, many hosted on cdn.shopify.com, suggests a link farm or SEO poisoning tactic to distribute the malicious PDF. No scripts were extracted from this sample.

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=social+media+metrics+pdf In PDF document text
    • http://files.countrytimbergoods.com/uploads/1/3/1/8/131871786/tadifurewibaruwok.pdfIn PDF document text
    • http://files.heardcountytouchdownclub.com/uploads/1/3/1/3/131382243/2c5ef.pdfIn PDF document text
    • http://files.kbyron.com/uploads/1/3/2/6/132681536/jalagepuguvi-ziwivevozu-suzemojip-texapiwi.pdfIn PDF document text
    • http://files.yourstoryunfolded.com/uploads/1/3/1/3/131381095/af137020774a.pdfIn PDF document text
    • http://nejesu.diaparker.com/uploads/1/3/0/9/130969723/c8ad221faef03.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/1/0430/3070/8375/files/taruja.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/5398/1594/files/93544088707.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0435/2301/4824/files/thai_lakorn_2016.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0435/8435/6507/files/1421746083.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/3029/9292/files/new_cutting_edge_pre_intermediate_teacher_s_book_free_download.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0439/3366/3400/files/sho_oulth_horror_of_oryx_venus.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/6819/3952/files/xampp_default_mysql_password.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0435/4444/5082/files/ludideninigijaxujuwuxuv.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/9073/8328/files/jijuleridufidodemoxuva.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0427/4854/3142/files/bitsat_last_year_question_papers.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/9928/2845/files/pisigofozatadugigojo.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/5095/7991/files/pozepowi.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 6

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_off00007ff3.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x7FF3 5404 bytes
SHA-256: 69c5881f7e579e7b7fb908c7f8737049962ef80398c480c2531f9826be784580
font_01_sfnt_off0000923e.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x923E 10436 bytes
SHA-256: d3b9200a60133194eac182aaecae5b63ede85ade566cdafc26c2c74c64980c58

Open this report in the interactive analyzer, or submit your own file for analysis.