Malicious PDF — malware analysis report

Static analysis result for SHA-256 1d3e832388a59ddf…

MALICIOUS

PDF

80.9 KB Created: 2020-08-23 15:27:24 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-08
MD5: 98115f776b56b71746ff9648e4e041d1 SHA-1: 6698e694e8dc0848b4b7a6ad79ee3bebc1957cc9 SHA-256: 1d3e832388a59ddf88ef78a9a0c3b427a4b96cde9128437eebd1ed62d64fbee3
194 Risk Score

Malware Insights

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

The PDF contains heuristics indicating it is a malicious redirector and part of a link farm, specifically using an advance-fee scam lure. The document body, though heavily obfuscated, contains a URL that is also flagged as malicious. This suggests the primary goal is to redirect the user to malicious content, 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=groupe+bpce+annual+report+2018+pdf In PDF document text
    • http://files.talesfromthetravelingtavern.com/uploads/1/3/0/7/130775977/najiw_vetow.pdfIn PDF document text
    • http://files.rsvpya.com/uploads/1/3/1/3/131397987/pisifanetesewe_zived_letaja.pdfIn PDF document text
    • http://files.pinerunosprey.org/uploads/1/3/0/7/130776185/wumunimol.pdfIn PDF document text
    • http://files.bucketofsudsnc.com/uploads/1/3/1/3/131380953/03bbe4478a11a.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/1/0431/2806/2109/files/17377704573.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/1745/3211/files/batuzamimemigusapuwil.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/1444/6489/files/impact_of_absenteeism_in_the_workplace.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/0471/4404/files/32752634408.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/9776/8614/files/16732137083.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/0804/0853/files/mavelugus.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/3486/1987/files/numbers_in_german_1_1000.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0438/0311/5682/files/36147238811.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/7877/0076/files/42725136418.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/2007/4663/files/lovusevu.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0440/6909/3541/files/97126062394.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_off0000f9a2.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xF9A2 5664 bytes
SHA-256: 4f71c83f1b2b06661eb6f3adc7804133d0a405088d2c1a116ecdf6aaf23b4c2b
font_01_sfnt_off00010cfa.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x10CFA 12732 bytes
SHA-256: 90cf4f8d6e1357874a8cee7467bd82d710d47ea9fed0cba1bb785c000b8d5e59

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