Malicious PDF — malware analysis report

Static analysis result for SHA-256 36fe004122715377…

MALICIOUS

PDF

34.8 KB Created: 2020-08-27 15:17:40 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-07
MD5: 0a669e0ba464a26779c049bc889cf823 SHA-1: c8182e66ccaf05e69dc27835992ccbb260271253 SHA-256: 36fe00412271537724a0565b4fe437c7117235a7cb9e9e78abadd253fa5b4724
194 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1059.001 PowerShell T1204.002 Malicious Link

The PDF contains multiple embedded URLs, with one pointing to a known malicious redirector (ttraff.cc). This suggests the document's primary purpose is to lure the user to a malicious site. The ML classifier strongly flagged this PDF as malicious, and the presence of a link farm further supports a malicious intent, likely for phishing or malware distribution.

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.cc/pify?keyword=you+are+a+badass+jen+sincero+pdf+fre In PDF document text
    • http://jexelimos.myshopexpert.com/uploads/1/3/0/7/130739069/kugizovevuju.pdfIn PDF document text
    • http://files.healingfreedomkeepers.com/uploads/1/3/0/7/130775633/wujusobobij.pdfIn PDF document text
    • http://files.ankorsvolunteer.com/uploads/1/3/1/4/131438459/vidovarikaz-tofugajubi.pdfIn PDF document text
    • http://mukapuk.bhenergyshootout.com/uploads/1/3/0/7/130738847/giwunobudomupikuxobo.pdfIn PDF document text
    • http://files.veeradonuts.com/uploads/1/3/1/3/131398076/4d408ced51.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/1/0433/6123/9192/files/65174233496.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/0866/3462/files/bepufivex.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/5783/0293/files/rudra_tamil_movie_tamilgun.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0463/2438/3904/files/robotica_gratis.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0435/9297/4499/files/87170022879.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/3000/3367/files/sformato_broccoli_ricetta_bimby.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/56751463133.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/0395/9720/files/pavesuzufapilaxozijikusa.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 8

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_off00004b63.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x4B63 5292 bytes
SHA-256: 7e6df5fba8f87a9870d7b5475385abf46d56e12149eff657c6b2b6dc5433235f
font_01_sfnt_off00005d6c.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x5D6C 9600 bytes
SHA-256: b1a700465c91546ceca9ee763846a75d1e2830daf017899bc2d3d989bc5aa7c5

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