Malicious PDF — malware analysis report

Static analysis result for SHA-256 1a5e9b54f9bafaf7…

MALICIOUS

PDF

45.6 KB Created: 2020-08-02 17:06:31 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-07
MD5: 03fec9888260ee5477488b178ff3acff SHA-1: f1e79570c099ddb5dcd56f652caa77dcb89a5fd5 SHA-256: 1a5e9b54f9bafaf7c8905d840f70311aad8b6b2897f58f3d05b1d7ee687522c6
194 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1059.001 PowerShell T1204.002 Malicious Link

The PDF contains a lure related to a 'Boeing contract' and includes a mass of external links, many hosted on Shopify. One critical heuristic indicates the PDF links to known malicious redirector infrastructure via the URL https://ttraff.ru/pify?keyword=iam+751+boeing+contract+pdf. This suggests the document is designed to lead users to malicious sites, likely for an advance-fee scam. No scripts were extracted from this sample.

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=iam+751+boeing+contract+pdf In PDF document text
    • http://files.chinchilla3d.com/uploads/1/3/0/7/130775446/bomota.pdfIn PDF document text
    • http://files.mnchoralesingers.org/uploads/1/3/1/6/131607158/gajiwopegawefed.pdfIn PDF document text
    • http://files.mariepoza.com/uploads/1/3/1/3/131382470/95422c3e0e6.pdfIn PDF document text
    • http://files.missiontruespirit.org/uploads/1/3/1/4/131437490/tukusewipeped_budasasilu_luvofowazuke.pdfIn PDF document text
    • http://files.thomasstonewrestlingclub.org/uploads/1/3/1/4/131408854/keletidupelub.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/1/0427/5775/0951/files/japirigupabenowo.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/9704/6696/files/jatawuromakirabufenu.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/6317/2502/files/58600364098.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/29942388251.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/0935/9520/files/vedit.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/4852/5208/files/92520682637.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/6896/4505/files/76886043765.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0435/5670/0319/files/76953301725.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/3523/8301/files/24397751000.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/5736/5670/files/c_singleton_example.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0435/6974/1983/files/54693679040.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/6150/0309/files/94258606890.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/0161/8330/files/18940209964.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_off00007198.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x7198 5600 bytes
SHA-256: e192f7e909491c21abdfe8d214f2ca963d3ef4a65869a2c1600a8755cad89516
font_01_sfnt_off000084a3.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x84A3 10872 bytes
SHA-256: da7d14c8277adce23912552609af6ff76aba2066726d5e02644ab50f9df0bc7e

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