Malicious PDF — malware analysis report

Static analysis result for SHA-256 c2bb02e022763f02…

MALICIOUS

PDF

55.9 KB Created: 2020-08-06 00:59:33 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-09
MD5: ba3f71fa6d67173a17b0ea4c70a401a6 SHA-1: d0e4e3e24aea9dcd20348c30f2ce14163f281d77 SHA-256: c2bb02e022763f0255174daf9141ef213e2c1eb92eed8a1ba163aace257dc0c3
194 Risk Score

Malware Insights

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

The PDF contains a large number of embedded links, many of which point to a link farm hosted on Shopify. One of these links, https://ttraff.cc/pify?keyword=non+verbal+reasoning+test+questions+and+answers+pdf, is identified as a malicious redirector. The document body, though heavily obfuscated, appears to be a lure for 'non verbal reasoning test questions and answers pdf', likely to entice users to click the malicious links.

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.cc/pify?keyword=non+verbal+reasoning+test+questions+and+answers+pdf In PDF document text
    • http://xijupenu.magnoliabodyworks.com/uploads/1/3/0/7/130740596/vinujodi.pdfIn PDF document text
    • http://giligel.brazossunrisefarms.com/uploads/1/3/2/3/132302780/d727c58a6.pdfIn PDF document text
    • http://files.buffalohats.com/uploads/1/3/0/9/130969448/30967c.pdfIn PDF document text
    • http://files.wildernessmysticism.com/uploads/1/3/1/3/131379118/vesaluf.pdfIn PDF document text
    • http://files.torrainewalker.com/uploads/1/3/0/8/130874683/fonozezaraw.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • http://fedorahosted.org/lohitIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/6053/5196/files/liragiwufodevi.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/6713/8470/files/banking_regulation_act.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/4470/8245/files/kewojipewigominepope.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0435/8114/5243/files/45275970584.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/36149341097.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0439/3949/6094/files/gesisikiveji.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/8186/7176/files/82182291120.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/7327/4018/files/71419717816.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/4506/8699/files/aaos_back_conditioning_exercises.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/3241/2311/files/sai_satcharitra_tamil.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/7982/6589/files/89042468080.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0436/2030/3006/files/zuzagololamifawoko.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://www.geocities.com/mitra_anirban/hobbies.htmGNUIn PDF document text
    • http://www.gnu.org/copyleft/gpl.htmRegularIn PDF document text

Extracted artifacts 4

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00007343.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x7343 5596 bytes
SHA-256: e6d14939f4c536b0c1246556ed86a67b2f09e05f6eff00a7864912a1a52cc66c
font_01_sfnt_off00008662.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x8662 3720 bytes
SHA-256: d5ecec3e822993868ba70e247019bcdb656a9fee58d620eb93bc70658e929280
font_02_sfnt_off000091c5.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x91C5 10240 bytes
SHA-256: 928d5db0f52f25fd41e24e33623ed71171cf06501e232fe7499dd2fead91d421
font_03_sfnt_off0000b4d7.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xB4D7 8760 bytes
SHA-256: 129ce2e70bfadedc8bf468a9d424b2853ae413f4de559ddfde56e57885348952