Malicious PDF — malware analysis report

Static analysis result for SHA-256 327a12e8ba8ea8fc…

MALICIOUS

PDF

43.9 KB Created: 2020-08-18 23:16:30 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-09
MD5: b04b93cd40e2957bc87259a8d91a462a SHA-1: e34cf79e653b60ca21cd073eb04cbac235e72bdd SHA-256: 327a12e8ba8ea8fcd2671bc88feb4a812e400695ca37e5f658e1c8b4041f7c9a
194 Risk Score

Malware Insights

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

The PDF was flagged by multiple critical heuristics for containing malicious redirector links and a large number of external PDF links, suggesting a link farm or SEO manipulation tactic. The primary malicious URL identified is https://ttraff.ru/pify?keyword=sap+bdls+performance+index, which is likely used to redirect users to further malicious content. The document body contains garbled text but also includes the aforementioned URLs, reinforcing their presence within the file.

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=sap+bdls+performance+index In PDF document text
    • http://fonosix.desertratfeatures.com/uploads/1/3/1/3/131382274/43655b6a42209.pdfIn PDF document text
    • http://files.landscapeaestheticsllc.com/uploads/1/3/1/4/131437977/2374363.pdfIn PDF document text
    • http://files.isolationdrawing.com/uploads/1/3/2/7/132710569/xoriborovetir.pdfIn PDF document text
    • http://files.wandinpark.com/uploads/1/3/2/8/132814929/wefulibisikaniware.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/1/0430/2484/2906/files/parquet_file_format_specification.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0427/9032/2342/files/83470280679.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/6628/5464/files/federal_reserve_balance_sheet_normalization_plan.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/5747/8823/files/selinapowurakinano.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/8116/1111/files/95189109115.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/6665/3858/files/starbucks_partner_resource_manual.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/8866/7033/files/tikudoxekevenuj.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/5815/9006/files/7949314019.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/7923/6760/files/pogazololon.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0438/5452/8677/files/tepelaxaseru.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/7113/6154/files/kokat.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/2897/1681/files/grapple_pathfinder_guide.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0443/0639/9388/files/benzodiazepine_withdrawal_syndrome.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 6

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_off00006bc1.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6BC1 5612 bytes
SHA-256: 3884706009b74a4d559f5c1e9e09cc4e5bd1530d6bb190ef49e4063ddea0c729
font_01_sfnt_off00007eb5.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x7EB5 10548 bytes
SHA-256: ec0c9e053aaceb53805b7c031df65e12149cc955488703839f3f6aa14bb290ef

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