Malicious PDF — malware analysis report

Static analysis result for SHA-256 a7aefde17ad0c429…

MALICIOUS

PDF

35.7 KB Created: 2020-08-19 06:53:00 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-08
MD5: 6d2d33e77ba79fb7a6ea48adabb71aeb SHA-1: b02eb2ca2933bd42798862e2c48f4931171f31db SHA-256: a7aefde17ad0c429420402301f46a7ff519c9f8c04682658491cb617a9013e39
194 Risk Score

Malware Insights

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

The PDF file contains a critical heuristic firing for a malicious redirector link, pointing to 'https://ttraff.cc/pify?keyword=helplessly+by+tatiana+manaois++song'. The document body also contains this URL and a large number of other links, many hosted on Shopify, which is indicative of a link farm or redirection strategy. The primary intent appears to be luring the user to the malicious redirector.

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=helplessly+by+tatiana+manaois++song In PDF document text
    • http://files.muslimsagainstporn.com/uploads/1/3/2/3/132303009/suwedom.pdfIn PDF document text
    • http://files.gilroyffa.com/uploads/1/3/1/3/131382841/2c24e44cb5b82.pdfIn PDF document text
    • http://files.manssjoberg.com/uploads/1/3/2/3/132303219/soxoz.pdfIn PDF document text
    • http://vidajuzem.nicoleshanks.com/uploads/1/3/1/0/131070450/fukupoditugafenage.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/1/0431/3438/6332/files/knee_exercises_csp.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0440/7253/4166/files/63392510002.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/5172/8546/files/solivoli.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/7007/0687/files/tesukujutozagikurutut.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/3906/4225/files/bulazideves.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0435/2681/5895/files/jizujulexakafisun.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0438/2159/6834/files/basic_sql_queries_with_examples.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0435/1092/3423/files/bexuga.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/7355/2028/files/tombow_practice_lettering_sheets.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/0417/4233/files/zefifamemawi.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 5

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_off00004e8f.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x4E8F 5248 bytes
SHA-256: 85ac043e96e7c117dabe636e9b1ae6de60b79b181231d20c1e12c791a428851a
font_01_sfnt_off00006059.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6059 9736 bytes
SHA-256: 008bcb190a56b117a4a66ec7c8ac95a416fff4a650f9570b484d9acd8da8259d

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