Malicious PDF — malware analysis report

Static analysis result for SHA-256 e29b0e06f3a99114…

MALICIOUS

PDF

41.9 KB Created: 2020-08-09 18:15:41 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-08
MD5: 6a8d5acaf28b02487fe78e59bfdb6aff SHA-1: f1248e813113a754119e58048e2300698ead4fb0 SHA-256: e29b0e06f3a99114b0f3fcf645658ba6bd5a04b592a722d2a245dee0b4f065c7
194 Risk Score

Malware Insights

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

The PDF file contains multiple embedded links, with one specifically identified as a malicious redirector. The heuristic 'PDF_MALICIOUS_REDIRECTOR_LINK' indicates that the URL 'https://ttraff.ru/pify?keyword=basic+brazilian+portuguese+phrases+pdf' leads to malicious infrastructure. Additionally, the 'PDF_SEO_LINK_FARM' heuristic suggests a large number of external PDF links, with 'https://cdn.shopify.com/s/files/1/0432/9019/8180/files/6188303706.pdf' being the first identified. The document body, though heavily obfuscated, contains the malicious URL, reinforcing the lure.

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=basic+brazilian+portuguese+phrases+pdf In PDF document text
    • http://files.wundanookcreations.com/uploads/1/3/1/0/131070192/nasowaneromibefaxewo.pdfIn PDF document text
    • http://files.psychchange.org/uploads/1/3/1/8/131856636/5836330.pdfIn PDF document text
    • http://files.atlastrekshop.com/uploads/1/3/1/0/131071117/wukotosiz_wusuvabunozise.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/1/0432/9019/8180/files/6188303706.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0447/8880/9879/files/apsc_new_syllabus_2020.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0436/0346/0259/files/tunutetejomes.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/5450/5882/files/jedefagamugisom.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/gegexovikorojirokelaxedu.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/29878061118.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/2489/9496/files/bifivot.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0427/5198/3772/files/28594228319.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0436/7410/8057/files/19321440854.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/0990/8637/files/56707041612.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/2358/7736/files/formularz_ceidg_1.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/0279/0039/files/lokubovorusowex.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

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000641c.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x641C 5656 bytes
SHA-256: 268bac6dc68f2ebdd364bed3174a4ef6e9f4c18d4f14f3aaacdb6c45ae75e676
font_01_sfnt_off00007754.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x7754 10368 bytes
SHA-256: bef8a6d7c9423f4915554c732beb775724e55195c1ce26a1f255c9fddd61e751