Malicious PDF — malware analysis report

Static analysis result for SHA-256 bc6e878679e0b942…

MALICIOUS

PDF

43.7 KB Created: 2020-08-07 16:19:49 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-09
MD5: a175f373f0925751df868f1144a5f27b SHA-1: c99bad992939c9fc256861a65b505398b2d83e73 SHA-256: bc6e878679e0b942c311adf17ce190dc0e9aa198912f6f36ce1b3b814b370715
194 Risk Score

Malware Insights

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

The PDF contains a mass external link farm, with one link pointing to a known malicious redirector. The document body, though heavily obfuscated, contains the URL 'https://ttraff.cc/pify?keyword=blood+relationship+tricks+pdf', which is likely intended to redirect the user to a malicious site. The ML classifier also flagged this PDF with high confidence.

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=blood+relationship+tricks+pdf In PDF document text
    • http://files.postporcelaindesigns.com/uploads/1/3/0/9/130969926/208769.pdfIn PDF document text
    • http://files.defyinggravitycbd.com/uploads/1/3/1/6/131606431/juzase-tesuvagome-pezojijavixa-wogelopadenura.pdfIn PDF document text
    • http://files.bulletproofcannonball.com/uploads/1/3/1/8/131856398/dutagijujadif_lavuxemivorepug_nibasabepuwuxal_befugavunevop.pdfIn PDF document text
    • http://padatodu.beanashtangi.com/uploads/1/3/2/7/132712323/1f879.pdfIn PDF document text
    • http://gebelog.gtarangehoods.com/uploads/1/3/1/8/131856318/8440652.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/1/0429/5199/9637/files/romiroxijeveguwepikasolu.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/5651/2676/files/96010376921.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/5713/5257/files/2916122403.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/2186/8960/files/nudigavesosis.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0436/4884/3934/files/fezaxibavenag.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0435/2045/8906/files/shayla_black.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0436/3078/8758/files/5296912516.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0438/6373/6485/files/siliwuxevedovori.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0435/5624/1557/files/vabesejogofoz.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/3121/5780/files/63367859186.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/3910/4917/files/15509658102.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/7812/3680/files/lopevujetuzu.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/6292/7263/files/41897129715.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/5109/0077/files/guvub.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 2

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_off00006b5a.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6B5A 5356 bytes
SHA-256: fe44effc8a9c737c4d41d65df542023b8d9b22e80507fc3beef5fe982f9bb9cc
font_01_sfnt_off00007d8b.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x7D8B 10556 bytes
SHA-256: 38d2be0f6773dd8e18be785594a4b681991dd26588fd7ef3547a6c3276b3f0de

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