Malicious PDF — malware analysis report

Static analysis result for SHA-256 6f9d8110bfa1362f…

MALICIOUS

PDF

125.3 KB Created: 2020-08-14 23:02:12 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-09
MD5: acb297b1753c0dc778e5da99455a140b SHA-1: 33db52582460339e600b06b8d9d7b285612d196a SHA-256: 6f9d8110bfa1362f89470091a0174a7e9cf054c95713fabce6d4ff88ae21cdbd
234 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1203 Exploitation for Client Execution T1059.007 JavaScript

The PDF contains numerous links to external resources, many of which are hosted on Shopify and appear to be part of a link farm. One prominent link, 'https://ttraff.com/pify?keyword=arcsight+esm+6.+11+admin+guide', is identified as a malicious redirector and a brand-impersonation lure for UPS. The ML classifier strongly flagged this PDF as malicious, supporting the conclusion that it is designed for phishing or malware distribution.

Machine Learning

  • Nyx PDF Classifier malicious score 1.0000

Heuristics 6

  • 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.
  • Brand-impersonation credential phishing lure high SE_BRAND_CREDENTIAL_PHISH
    Document impersonates a well-known consumer brand and uses account-security / verification language ('unusual activity', 'account on hold', 'verify your account') to steer the reader to a credential-harvesting link. Corroborated by: call-to-action link host does not match the impersonated brand: https://ttraff.com/pify?keyword=arcsight+esm+6.+11+admin+guide.
  • 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=arcsight+esm+6.+11+admin+guide In PDF document text
    • http://files.athometutoringperth.com/uploads/1/3/1/6/131636655/xifizepaw.pdfIn PDF document text
    • http://sawaj.creationresearchontario.com/uploads/1/3/0/7/130775045/f9992.pdfIn PDF document text
    • http://files.gracelaurent.com/uploads/1/3/0/8/130813782/fitadalomuwagolulaw.pdfIn PDF document text
    • http://fizawafuk.turuncapartment.com/uploads/1/3/0/8/130814328/levobib.pdfIn PDF document text
    • http://fontawesome.iohttp://fontawesome.io/license/In 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/1/0434/5059/7528/files/play_google._com_redeem.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0440/1509/1870/files/82727412867.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/3393/6547/files/dewomatarolokakutafago.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/6966/1589/files/difepesokexoral.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/8746/2551/files/14003303865.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/visaboxe.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0435/3441/8075/files/azure_active_directory.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/4017/8333/files/honda_ex1000_generator.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0455/4902/7493/files/getting_closer_to_god_bible_study.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/4684/6107/files/38903694783.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/5593/8720/files/makiwiravamabufarefamu.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 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00019ecb.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x19ECB 1876 bytes
SHA-256: 9b81b7e805ad4990412cf07457ace488a6557692d48544b4bec86aa12f772e7c
font_01_sfnt_off0001a7f2.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x1A7F2 5548 bytes
SHA-256: 09a4880cff668eca41b58f2078fb5c908bd66449b8894e0ceba95bebef176294
font_02_sfnt_off0001baab.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x1BAAB 14064 bytes
SHA-256: d009026fc88f73d9e49342524b3f24749af45bdbf54c53a8440e046c77ca4a4d