Malicious PDF — malware analysis report

Static analysis result for SHA-256 7264e7bb2362f7a8…

MALICIOUS

PDF

44.7 KB Created: 2020-08-03 10:21:03 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-08
MD5: 47af556d48093273efff17415dce962b SHA-1: a9692c605f480e3355752c89e13c7b97cd694497 SHA-256: 7264e7bb2362f7a833e57bcdbd8e35112362148df0d16aa97903b61385441633
194 Risk Score

Malware Insights

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

The PDF contains multiple heuristics indicating malicious redirection and a link farm, pointing to a lure for phishing or malware distribution. The embedded URL `https://ttraff.cc/pify?keyword=python+trim+string` is identified as a malicious redirector. The document body, though heavily obfuscated, contains references to this URL and other PDF links, reinforcing the lure. No scripts were extracted, but the PDF structure itself facilitates the malicious redirection.

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=python+trim+string In PDF document text
    • http://files.twinklenelson.com/uploads/1/3/0/9/130969673/4261dd09c6f5.pdfIn PDF document text
    • http://files.goldbergacademy.org/uploads/1/3/0/7/130739227/bemajasirixifiju.pdfIn PDF document text
    • http://files.mainstchurchofchristonline.com/uploads/1/3/0/8/130874324/rojofajofase_giludokubera.pdfIn PDF document text
    • http://files.michaelyadvish.com/uploads/1/3/1/3/131379183/gisevafozawat.pdfIn PDF document text
    • http://files.southaustintkd.com/uploads/1/3/1/4/131453902/demosabowir_banubonez_tuzorod.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/1/0428/1214/5830/files/pitabalaj.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0436/3150/9664/files/73691837813.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/5959/3894/files/86558794358.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/5534/1977/files/laxuredes.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0435/3346/7807/files/werifu.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/5335/1066/files/30925988890.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/6009/1287/files/rikoxapa.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/3305/0779/files/13734449165.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/2891/4074/files/22028995369.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0439/2707/7032/files/63815439526.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/8949/4177/files/28114613423.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/7877/0076/files/zekuwew.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0427/5650/5756/files/73733153370.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
    • http://dejavu.sourceforge.netIn PDF document text
    • http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text

Extracted artifacts 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00005d28.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x5D28 4960 bytes
SHA-256: 0dba033e554f3346fdd175a06c96921539308651f808d81cd3566de744d5c4c1
font_01_sfnt_off00006dec.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6DEC 10044 bytes
SHA-256: 15124bb45212509b5654a171d25f838bee4953024bf8b0552a770dfd2ed6ceb8
font_02_sfnt_off0000906d.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x906D 16232 bytes
SHA-256: 1d4ebd634e9a4b1afc3ba2e660f7abdbad7ecfb3c20c2fb0daf688bec4f9a1d5