Malicious PDF — malware analysis report

Static analysis result for SHA-256 6f2336413387abdf…

MALICIOUS

PDF

37.3 KB Created: 2020-08-09 10:23:37 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-08
MD5: 6d265be4e89ff0d5f3d4f1515d2b0bd9 SHA-1: 636a4fffa330b3b395386aa8e28eb1a2744e6df3 SHA-256: 6f2336413387abdf0b9e85de928ff5a048d32d21b67d57befb390231c128fef5
194 Risk Score

Malware Insights

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

This PDF file was flagged as malicious by an ML classifier and contains multiple heuristics indicating malicious redirector links. The document body, though obfuscated, contains references to 'Ambrosia magazine pdf' and a primary malicious URL, 'https://ttraff.ru/pify?keyword=ambrosia+magazine+pdf'. The presence of numerous external PDF links suggests a link farm or a method to distribute further malicious content, likely initiated via a spearphishing attachment.

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.ru/pify?keyword=ambrosia+magazine+pdf In PDF document text
    • http://files.rosawainartist.com/uploads/1/3/0/7/130739654/4621f92eaf.pdfIn PDF document text
    • http://diromofig.theartoftheheart-chester.com/uploads/1/3/0/7/130775432/5900919.pdfIn PDF document text
    • http://files.gocmovies.com/uploads/1/3/1/4/131453695/junita_rapos_wunisifawur_tupodukuwomit.pdfIn PDF document text
    • http://files.bajananda.com/uploads/1/3/1/4/131453715/jufatorori.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/1/0437/0402/5242/files/ucmj_article_134_adultery.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/8414/3010/files/fake_gps_location_spoofer_v4._6_apk.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0436/0850/6531/files/migizefu.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/9085/3531/files/58939794944.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/7451/9194/files/postnatal_assessment_format.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/5274/4356/files/cancer_de_colon_derecho_e_izquierdo.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0439/9936/3222/files/brand_guide_examples.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/72438278193.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/3064/1826/files/length_unit_conversion_worksheet.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/0497/6548/files/bipamabodomireduno.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/9236/9823/files/84552936795.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/4610/9345/files/24561298086.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/81858120772.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

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000541f.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x541F 5508 bytes
SHA-256: 75cd0b82a35f6ed43451bd91e57f29809c05b1935b1a3e19fdddc2c0aced48cc
font_01_sfnt_off000066c0.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x66C0 9864 bytes
SHA-256: ccd0ce28369f4e6a49694a4769d9da41f59278c1e2f36f7e15b36465d26e9922