Malicious PDF — malware analysis report

Static analysis result for SHA-256 82f1fc7c6f21a7f3…

MALICIOUS

PDF

168.7 KB Created: 2020-08-05 01:52:43 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-08
MD5: 26bf497f66a1e3f58d4f16835bcf2414 SHA-1: c0ff50fbc514bbc310ab3292f21f9c4d17df89ca SHA-256: 82f1fc7c6f21a7f338482a5d79a636564f49bc5ed13425c535c583051f4f6527
134 Risk Score

Malware Insights

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

The PDF file contains heuristics indicating it links to known malicious redirector infrastructure, specifically `https://ttraff.com/pify?keyword=venezuela+crisis+summary+pdf`. The document body, though heavily obfuscated, contains text fragments suggesting a lure related to the 'Venezuela crisis summary pdf'. The ML classifier also strongly flagged this PDF as malicious. The primary attack pattern observed is the use of a deceptive document to redirect users to a malicious site, likely for phishing or further malware delivery.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9999

Heuristics 4

  • 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.
  • 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=venezuela+crisis+summary+pdf In PDF document text
    • http://files.tmulder.studio/uploads/1/3/0/7/130739535/sukebogim.pdfIn PDF document text
    • http://files.teachershallfamedodgecityks.org/uploads/1/3/2/7/132712323/paniripaxixorutes.pdfIn PDF document text
    • http://sekajelof.treetopkidstherapy.com/uploads/1/3/1/4/131453054/0b5fe5156.pdfIn PDF document text
    • http://files.thewallsinnorthernireland.com/uploads/1/3/1/0/131070918/lejizo.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/1/0430/3850/7169/files/legupafuwuwivul.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/0056/0805/files/56522835463.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/4622/4551/files/64341046973.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/9423/7589/files/sondaje_vesical_femenino.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/0591/9903/files/39568598335.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0435/0545/1174/files/ladevisavoxolabijukof.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/4963/2415/files/wedizal.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/5170/3706/files/venezuparexobipa.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0427/4411/9462/files/13882127364.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/3092/1895/files/19070647503.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/909040323.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/5359/6310/files/14300113934.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/4248/7972/files/54373738685.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 3

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_off00023cd5.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x23CD5 7796 bytes
SHA-256: 17a4969d50fe3724dce220a01723e4e03506d37f696e9ce2c226e0f6cc19295d
font_01_sfnt_off00025716.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x25716 5416 bytes
SHA-256: ce4006761cf0f275fc8ee87cafe5fbf021abfa83296ffadd3ec9a80152226641
font_02_sfnt_off00026982.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x26982 13548 bytes
SHA-256: a0b5c9568ec7876245899c624cef6741da7f278732fd55740a92aed541a9cfcb

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