Malicious PDF — malware analysis report

Static analysis result for SHA-256 58d1334c2d4f7b7c…

MALICIOUS

PDF

52.2 KB Created: 2020-08-05 06:22:21 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-09
MD5: b9c7bd60cd477df252d114a994603fd5 SHA-1: 4823466f9beec1fe1c8e8e534c19323e79dd8b3a SHA-256: 58d1334c2d4f7b7c20e3499bf84cdf40927632cd36f43fdfb484e416205fff41
194 Risk Score

Malware Insights

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

The PDF contains a link to a known malicious redirector, ttraff.cc, which is disguised as a resource for 'entrepreneurship development'. The document also features a large number of external PDF links, many hosted on Shopify, likely for SEO manipulation to improve search engine ranking for malicious content. The ML classifier strongly indicates malicious intent.

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=entrepreneurship+development+pdf+2020 In PDF document text
    • http://files.stephaniebien.com/uploads/1/3/0/9/130968934/9285435.pdfIn PDF document text
    • http://files.shantellstricklanddavis.com/uploads/1/3/2/6/132695492/7880082.pdfIn PDF document text
    • http://files.islaviolinecolodge.com/uploads/1/3/1/1/131163898/2925997.pdfIn PDF document text
    • http://files.lovenirvanayoga.com/uploads/1/3/0/8/130874170/6558290.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/1/0434/7245/3797/files/pabuwemozenodipo.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/1864/8732/files/geluwadubikonesomofe.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/9363/8816/files/pebibobarijidukidisorizez.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/8643/8807/files/material_ui_login_form.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/9291/8947/files/63488000143.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/8749/5321/files/12525184785.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/5190/0310/files/saleduwovire.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/9050/2051/files/50459104281.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0436/2030/3006/files/gukixutejezagafabepasev.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/8374/2884/files/easy_jazz_piano_songs.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0450/8617/9480/files/mobius_aromaticity.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 8

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_off00008d7b.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x8D7B 5360 bytes
SHA-256: 6359bdb3e93764b71ff59adcfcdaa5a45c2bd1e487a434f7837dedc0647ae6b1
font_01_sfnt_off00009f9e.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x9F9E 10540 bytes
SHA-256: 81a341c44330e388fb4f8765d3eed4d43ba4919dcf851c7292c92ce95770b010

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