Malicious PDF — malware analysis report

Static analysis result for SHA-256 1fe5ca89d2513ed9…

MALICIOUS

PDF

50.9 KB Created: 2020-07-09 20:23:13 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-08
MD5: 9424b7e19516104e20a8fb4bae42c223 SHA-1: 66296e5ffa70692de9081b7ecac154c2f8979ad2 SHA-256: 1fe5ca89d2513ed99fb23bd712af092700f0d2fee33a48ae5a2145956f9c0f5c
184 Risk Score

Malware Insights

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

The PDF file contains a large number of embedded links, many of which point to SEO-optimized PDF hosting sites. One of the primary links, 'https://ttraff.cc/wb?keyword=relationship%20marketing%202017%20pdf', is flagged as a malicious redirector. This suggests the document is designed to drive traffic to malicious or spam content through a link farm, likely as part of a phishing or SEO poisoning campaign.

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.
  • Small PDF is a non-clustered link farm on disposable hosting medium PDF_SEO_DISPOSABLE_LINK_FARM
    Small PDF contains many clickable external PDF links spread thin across many distinct hosts (no single dominant host), corroborated by a utm_term SEO-redirector link and/or links parked on free/disposable content hosts. This is the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains, rather than a normal document citation pattern. The PDF itself carries no exploit — the risk is the linked destinations.
  • 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/wb?keyword=relationship%20marketing%202017%20pdf In PDF document text
    • http://files.lechandelierdor.com/uploads/1/3/0/7/130776578/fivoruzalapibi_jajerofulavufu_takufetanupi.pdfIn PDF document text
    • http://files.nlfarchitect.com/uploads/1/3/0/9/130969411/tekadu_guladegowiwido.pdfIn PDF document text
    • http://files.trojanaquaticclub.org/uploads/1/3/1/3/131383802/muwebogori_vubefaponuga.pdfIn PDF document text
    • http://files.electaylin.com/uploads/1/3/2/7/132740320/8322645.pdfIn PDF document text
    • http://files.returningtocompassion.com/uploads/1/3/2/8/132814967/lijewed.pdfIn PDF document text
    • http://files.mercychurchkc.com/uploads/1/3/1/4/131438835/176029e.pdfIn PDF document text
    • http://files.coljonesswimhurstville.com.au/uploads/1/3/2/7/132741181/9628755.pdfIn PDF document text
    • http://files.davidmartinsstyle.com/uploads/1/3/1/8/131856877/ab32e4031f.pdfIn PDF document text
    • http://files.ncpastoralcounseling.org/uploads/1/3/1/1/131163957/veduran-wenemip-siwokikiba.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • https://ralowigi.files.wordpress.com/2020/07/jagemedaxex.pdfIn PDF document text
    • https://nikokofet.files.wordpress.com/2020/07/samadejep.pdfIn PDF document text
    • https://vizivalafis.files.wordpress.com/2020/06/guzarigifeke.pdfIn PDF document text
    • https://padozobesix.files.wordpress.com/2020/06/56266633518.pdfIn PDF document text
    • https://nuzipaxode.files.wordpress.com/2020/07/gevarawamodozolomig.pdfIn PDF document text
    • https://titamajopemu.files.wordpress.com/2020/06/7257006982.pdfIn PDF document text
    • https://nateros.files.wordpress.com/2020/06/77006433119.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/22511335110.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/beloromawodosuxaso.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/49470024852.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_off00008834.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x8834 5720 bytes
SHA-256: 79e3ba5ff0e27a0dcc284aae7da02fbb795bee1a91767fe39cb1e3f45706683b
font_01_sfnt_off00009b8e.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x9B8E 10172 bytes
SHA-256: 4bc628659310ffbc8c7d25f15c56d3d3973c4f04d8fb5483f9cba207291824ac