Malicious PDF — malware analysis report

Static analysis result for SHA-256 8fc7bf6321fb0ab3…

MALICIOUS

PDF

56.5 KB Created: 2020-08-24 16:19:17 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-09
MD5: f5b97b90a5dc8fbd6a6c3a71fbfa76df SHA-1: 562c7b8032da18d39182a50d24692065c1e17067 SHA-256: 8fc7bf6321fb0ab3a7be8255d6022574b429e9b1724c7b4b860b631f79af7728
194 Risk Score

Malware Insights

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

The PDF contains a critical heuristic firing for a malicious redirector link pointing to 'ttraff.com'. Additionally, it exhibits characteristics of a PDF link farm, with numerous links to external PDFs, many hosted on Shopify. The embedded URL in the document body, 'https://ttraff.com/pify?keyword=mystic+messenger+deep+story+email+guide', is the primary indicator of malicious intent, likely serving as a lure for further malicious activity.

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=mystic+messenger+deep+story+email+guide In PDF document text
    • http://files.ericbramlett.org/uploads/1/3/1/3/131398259/zumofujova.pdfIn PDF document text
    • http://wegur.garykayeillustration.com/uploads/1/3/1/0/131069839/komawuwezokiz_pudaram_wuzefoxejifola.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/1/0430/1324/3033/files/git_repository_best_practices.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/1305/4359/files/bijubotezazuperulane.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0439/3022/2747/files/75806358225.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/8363/6644/files/63839865667.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/6569/4613/files/55935144126.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/8787/8549/files/nefidadi.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/7661/6346/files/67371587540.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0440/4799/0934/files/sipuziwelofubuvafafiw.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/9289/4115/files/xilolopovunemufuz.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/0423/9770/files/enciclopedia_cactus_y_suculentas.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/5531/7149/files/gibazofuvedinepiviwa.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/5825/6286/files/dejopasavupajij.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

Related samples 2

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

Full JSON: related samples API

Extracted artifacts 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off000087b4.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x87B4 5500 bytes
SHA-256: 04a42ece9daf7687ea1361d78e868cc4412d78295f9183ce52fa47e8269a042c
font_01_sfnt_off00009a57.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x9A57 10608 bytes
SHA-256: ad190962f56ca3170aab9e17bed4a953d95d4593f1d608609aadf144c826e319
font_02_sfnt_off0000bed9.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xBED9 16272 bytes
SHA-256: 7d3084477a5663ca7fe9bf08eaf00e8e65aa85bc7e98af4e73b637829da64f34

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