Malicious PDF — malware analysis report

Static analysis result for SHA-256 6edce46804249dd4…

MALICIOUS

PDF

43.7 KB Created: 2020-09-15 21:42:45 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-08
MD5: 3c3914200403913fc46cb7427b92b190 SHA-1: f48d168a92ab14f8ec6dde4cbab57e72dc1238b3 SHA-256: 6edce46804249dd4858a2b9658858d3b8bbc80d88d39b8a7cec8a6e2a53a29a1
194 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF document was flagged by multiple critical heuristics for linking to known malicious redirector infrastructure and for containing a large link farm. The embedded URLs, particularly 'https://ttraff.club/pify?keyword=the+visible+hand+study', are indicative of a phishing or malware distribution scheme. The document body, though heavily obfuscated, contains references to URLs and appears to be part of a lure.

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.club/pify?keyword=the+visible+hand+study In PDF document text
    • http://files.ledgewoodhills.net/uploads/1/3/1/3/131379554/936086.pdfIn PDF document text
    • http://gurale.knarlyknot.com/uploads/1/3/0/7/130740522/zijuxebowuxepij_godeb.pdfIn PDF document text
    • http://kukamunil.manzanitasplayschool.org/uploads/1/3/1/6/131636601/8589339.pdfIn PDF document text
    • http://files.kelsey-harrison.com/uploads/1/3/1/3/131383698/f28d524439f07e.pdfIn PDF document text
    • http://pawuvas.celestialstarsdance.com/uploads/1/3/0/7/130775940/lijolufevavi-rimiziluxe-vumoxipe.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • https://static.usrfiles.com/ugd/de9003_19543bca9efe488489a0f1d561d2bfaf.pdfIn PDF document text
    • https://static.usrfiles.com/ugd/12daa7_7ad927c1ec4547f9915138513a9b2ba6.pdfIn PDF document text
    • https://static.usrfiles.com/ugd/565485_4127021bbaa54b12a1b88f748ef07800.pdfIn PDF document text
    • https://static.usrfiles.com/ugd/704988_a5201cc8c99f461c8d1901897cdc7682.pdfIn PDF document text
    • https://static.usrfiles.com/ugd/dc8a8e_60c7fed7230e49b988370b595fedb7c4.pdfIn PDF document text
    • https://static.usrfiles.com/ugd/25c42e_8cd427a06ec348e1ba835750822d1115.pdfIn PDF document text
    • https://static.usrfiles.com/ugd/b914b5_950b32a9a54a47bbb21782ed9f6f42d1.pdfIn PDF document text
    • https://static.usrfiles.com/ugd/0cd019_3b1ab69a90044aa68361540e815463b4.pdfIn PDF document text
    • https://static.usrfiles.com/ugd/6c313a_c08fe21a31324ab683b357fc8e1397a0.pdfIn PDF document text
    • https://static.usrfiles.com/ugd/81b904_47b9b7e6599145aab105ad6718383ec1.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/6209/1167/files/pdf_attention_deficit_hyperactivity_disorder_a_handbook_for_diagnosis_and_treatment.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0440/7764/5974/files/98604487215.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/6861/1998/files/aaron_burr_sir_sheet_music.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/1844/5223/files/gikerijutugawasovuro.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

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00006df2.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6DF2 5068 bytes
SHA-256: 17293a8a749fdfcb0d868d4dcac1b0d52ff948b2713a0e14b8c9e3549be399c2
font_01_sfnt_off00007f34.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x7F34 10208 bytes
SHA-256: 02d6dd58c26ad1a3026b3f50d03227655d608c51f9c2abbec9c1538faa1c34fb