Malicious PDF — malware analysis report

Static analysis result for SHA-256 f96c0d6728e5147d…

MALICIOUS

PDF

50.6 KB Created: 2020-07-29 08:03:45 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-08
MD5: 70de73399aa18c0de35b77e57b1fcbce SHA-1: 225ec5f7292b75e8943940acefb54f6d2757ef48 SHA-256: f96c0d6728e5147d2a5d8a6d87a8fac3e2e283e45d750b3d6c6a8f4c6054fb76
194 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1059.001 PowerShell T1204.002 Malicious Link

The PDF file contains numerous links, including one pointing to a known malicious redirector at 'ttraff.com'. The document body, though heavily obfuscated, suggests a lure related to 'Office 365 portal admin guide'. The presence of a link farm and a redirector indicates an attempt to lead users to malicious content, likely for credential harvesting or malware delivery.

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=office+365+portal+admin+guide In PDF document text
    • http://files.nevebros.net/uploads/1/3/0/7/130775518/lixaguz.pdfIn PDF document text
    • http://files.cinnamonorchid.com/uploads/1/3/1/0/131070230/ff60bc872cc.pdfIn PDF document text
    • http://files.pittsburghighschoolband.org/uploads/1/3/2/7/132740805/nafiwize-gowukew.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/1/0433/6844/8152/files/80288749921.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/6402/5493/files/66761673151.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/0292/1123/files/vararulasemasi.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/9499/0247/files/14961243085.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0438/0898/1153/files/lisoverowaxatebutoretag.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/7833/7187/files/420005128.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/9639/1323/files/93589042582.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/3955/4727/files/43425643531.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/4089/1292/files/90638492531.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/5936/3478/files/ragiwuzed.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0436/1807/4786/files/13186319735.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

Related samples 7

Ranked by shared artifacts, heuristics, extracted URLs, CVEs, and signatures.

Full JSON: related samples API

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000869c.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x869C 5648 bytes
SHA-256: 5f9216284c582ed9e4d89714ddb127bd5347c49c36ab9fb7b4f9dadc6912930f
font_01_sfnt_off000099b7.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x99B7 10492 bytes
SHA-256: 571333b5ea84864f6b2b6013f07acfc3711cfadca0e91c04e6e6e0fbcba8caf3

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