Malicious PDF — malware analysis report

Static analysis result for SHA-256 3894c733ea944e45…

MALICIOUS

PDF

51.3 KB Created: 2020-08-21 02:18:55 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-09
MD5: ac3451db2a282093220c10b13b5a3bd4 SHA-1: a2dfffb83924873ebc524a82816b017a51b2dc4f SHA-256: 3894c733ea944e4587a80653c7ce9a869cd6bde305d8e83ddeed51044786df10
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.ru, which is presented as a guide for an online game. This indicates a social engineering lure to direct users to malicious infrastructure. The PDF also contains a large number of external links, many hosted on cdn.shopify.com, suggesting a link farm or SEO poisoning tactic to improve search engine visibility for the malicious content. No scripts were extracted, but the primary malicious action is the redirection via the embedded URL.

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.ru/pify?keyword=discord+epic+rpg+guide In PDF document text
    • http://files.competz.org/uploads/1/3/0/7/130738572/fbb34d141.pdfIn PDF document text
    • http://files.grapevineoasis.com/uploads/1/3/1/8/131856158/magabuzexosazug-xixutovo-zojozum.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/1/0434/8303/7860/files/rockwell_diff_service_manual.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/8289/0912/files/sepafaka.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/8151/5673/files/ctet_exam_date_2019_application_form.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/7025/9357/files/49724690750.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/8489/7692/files/44175556027.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/4952/5156/files/85487874720.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/3619/6507/files/poxebozi.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/2483/4982/files/66843991658.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/1573/2376/files/deragenufufefexega.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/4054/6721/files/57178940154.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0435/8481/5259/files/rapirosimajizupudipu.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 4

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_off0000759a.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x759A 5000 bytes
SHA-256: e2fa51e15b921cad0a9b98417f4fb3c862ba45e782797039d4e3b98694136d4c
font_01_sfnt_off000086a8.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x86A8 10580 bytes
SHA-256: 92da481701c8c342bbc05f429c260f727cf3c690b90d418b4f588c0f83696b4e
font_02_sfnt_off0000ab0d.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xAB0D 16144 bytes
SHA-256: 0e79eea43f1f692bae4a12691b1eac886fb7de2d803852ebca7e9d020a94210a

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