Malicious PDF — malware analysis report

Static analysis result for SHA-256 6e16f3f69d8787d5…

MALICIOUS

PDF

46.2 KB Created: 2020-08-01 20:03:44 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-09
MD5: ceb2cb5b1959b0e9e511aac93548afe1 SHA-1: e435ca916c4ab4840aca6a26526aafabee009b88 SHA-256: 6e16f3f69d8787d59b82722ed7556a3d6aabc585d0f5245135f3b21583451226
194 Risk Score

Malware Insights

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

The PDF contains a link farm and a redirector URL, indicating a phishing or scam attempt. The document body, though heavily obfuscated, contains a URL that points to a redirector. This redirector is likely used to funnel victims to malicious websites, potentially for credential harvesting 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.ru/pify?keyword=chevy+service+manual+pdf In PDF document text
    • http://files.mormonsandscience.com/uploads/1/3/2/7/132740586/3623631.pdfIn PDF document text
    • http://files.bmqg.org/uploads/1/3/1/6/131608037/xabalewekafup-kuvimujijepi-gidiren-vebuwosisi.pdfIn PDF document text
    • http://files.mpowercfcf.com/uploads/1/3/1/3/131380759/91d43cd3a281c6.pdfIn PDF document text
    • http://files.lindseyibanez.com/uploads/1/3/0/9/130969151/vajevoxiwasus.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/1/0431/7839/3762/files/restorative_potion_wow.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/5359/6310/files/lasuzulidu.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/1024/4256/files/51467293294.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/7147/9713/files/66523192462.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/0801/6027/files/46723565777.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/9372/1255/files/noxulebabize.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/1679/8883/files/muvuwiguzogop.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/2402/3715/files/laruwiwudozukikolefekuka.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/4324/9563/files/zevidixasepuf.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/2521/1296/files/fadowazikebeputilomoxat.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/2965/0856/files/gilugaborelosugepeloxugid.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/6991/5814/files/55004582459.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 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off000076ac.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x76AC 5460 bytes
SHA-256: 882e22b5d7d56e220304c25baa3a0291c90e0bcdb14c46793a2002a48f8c51fc
font_01_sfnt_off0000891f.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x891F 10048 bytes
SHA-256: 87d144d2c083df8ad6b43db40ed2aedc5899de8ecebdf629d649d80cc487ae46

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