Malicious PDF — malware analysis report

Static analysis result for SHA-256 61d83645ae6c2462…

MALICIOUS

PDF

42.5 KB Created: 2020-08-13 00:14:05 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-09
MD5: bb2f29c4e47b042730639dca9c82c67d SHA-1: c7ad042fa8ed1326381bd3fc8f84e58b485e99e5 SHA-256: 61d83645ae6c2462de46f555c4af122f8db8f1a0ba0ae9cfbbfb1033cbadd550
194 Risk Score

Malware Insights

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

The PDF contains a large number of embedded links, many of which point to external PDF files, suggesting a link farm for SEO manipulation. One of the primary links, https://ttraff.com/pify?keyword=career+advancement+definition+pdf, is identified as a malicious redirector. The document body, though heavily obfuscated, contains references to 'career advancement' and the malicious URL, indicating a lure to a malicious site.

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=career+advancement+definition+pdf In PDF document text
    • http://files.yusofgajahlingard.com/uploads/1/3/0/7/130740078/7510150.pdfIn PDF document text
    • http://files.melodiesida.com/uploads/1/3/1/8/131871462/b611e678cd7.pdfIn PDF document text
    • http://gegutev.aussiehowe.com/uploads/1/3/1/3/131384771/2bdbcd6a.pdfIn PDF document text
    • http://files.klamathforestestates4rma.org/uploads/1/3/1/1/131164425/zegamabunaj_rafixuwumo.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/1/0430/5174/5442/files/vutinizesefulezu.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0439/8078/3774/files/newaluviwijolulitik.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0441/2584/7704/files/character_analysis_questions.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/0595/2671/files/96275596363.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/1537/1932/files/rules_for_discords.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0450/6081/7048/files/guxujob.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/92283418618.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/7846/7222/files/xemoxolinajis.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/5851/1510/files/broaching_machine_operation.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/6372/1637/files/zikisalujizupirorun.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/3492/6495/files/3067544685.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 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off000069e3.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x69E3 5056 bytes
SHA-256: 6037e719749c1638823ef0a8093798b53767c020960e60ac273743d9189c5212
font_01_sfnt_off00007b04.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x7B04 9972 bytes
SHA-256: eda1af7ed8477247509a00c76d3d2b9d5afecbde83b384e1b4e36b16abde6586

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