Malicious PDF — malware analysis report

Static analysis result for SHA-256 0f7b7f55085ba64b…

MALICIOUS

PDF

54.1 KB Created: 2020-08-03 14:15:41 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-08
MD5: 336fb6e5e39e9cebb61a761a2e3bc85a SHA-1: 0e30ccfec3474e7067f6d2f70a94ddaba64d2c55 SHA-256: 0f7b7f55085ba64b122311504bbb6be5b0858a6eee39fafdf955fd9deceb1f52
194 Risk Score

Malware Insights

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

The PDF contains numerous links to external PDFs, many of which are hosted on Shopify and appear to be part of an SEO link farm. The primary link, 'https://ttraff.com/pify?keyword=asmaul+husna+dan+doanya+pdf', is identified as a malicious redirector. This suggests the document's purpose is to drive traffic to malicious infrastructure, likely for phishing or malware distribution, under the guise of providing a document.

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.com/pify?keyword=asmaul+husna+dan+doanya+pdf In PDF document text
    • http://files.cubany.org/uploads/1/3/2/7/132710795/834aed57.pdfIn PDF document text
    • http://files.globalafricancreates.com/uploads/1/3/1/4/131452958/7653675.pdfIn PDF document text
    • http://files.raftandrun.com/uploads/1/3/0/7/130776350/8618673.pdfIn PDF document text
    • http://files.ameliahamiltonfit.com/uploads/1/3/2/7/132740665/jodalapesovesu-fapode-pubagezokatade.pdfIn PDF document text
    • http://files.harleyeaston.com/uploads/1/3/1/4/131411688/masimoxo-gefinobamozu.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/1/0437/4121/6919/files/bedupawuvima.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/wawufomujemozinabewa.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/1586/3463/files/bapepidinavijaxalemijipop.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0440/1430/5430/files/zimumokajuvurinisusi.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/5491/5993/files/woxunaz.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0436/9442/4232/files/24131674563.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/48975286879.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0449/5107/7032/files/harvest_moon_gba.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0427/7148/0742/files/64119760584.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/7853/3788/files/78941835617.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/4389/8019/files/84700432679.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://dejavu.sourceforge.netIn PDF document text
    • http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text
    • http://scripts.sil.org/OFLIn PDF document text

Extracted artifacts 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
stream_006_off0000a6c5.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0xA6C5 21116 bytes
SHA-256: 52de05610183355d35aea342771b76b8c61e25009e633f4a383487bd7c362154
font_00_sfnt_off000072d0.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x72D0 5276 bytes
SHA-256: 5ba588ca98ef382a6d43a4a7eb7e1374277a93f59681713e395fbd7405c048b5
font_01_sfnt_off000084a5.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x84A5 9908 bytes
SHA-256: c9dbcecf27ef17bcd7f2b03ab0f3f64087e12f5365cd6234f8d729f942a71223