Malicious PDF — malware analysis report

Static analysis result for SHA-256 f1d72202dd3c0fc5…

MALICIOUS

PDF

43.7 KB Created: 2020-08-22 00:06:44 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-08
MD5: 4c0e18ae5db44c7c0aee84268ebe0064 SHA-1: 30420e94153962b881ce5fda1a77d0ce44c9d730 SHA-256: f1d72202dd3c0fc57d1e62fb61ce332d3aac92663ac1c15cc4908627d44ba94f
194 Risk Score

Malware Insights

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

The PDF file contains a link farm designed to redirect users to malicious infrastructure. The primary malicious URL identified is https://ttraff.ru/pify?keyword=actrium+holistic+dog+food+feeding+guide. This technique is often used to obscure the final malicious destination and to leverage SEO manipulation for broader reach. The document body, though heavily obfuscated, contains references to the malicious URL and benign-looking PDF files hosted on Shopify, likely as part of the link farm.

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=actrium+holistic+dog+food+feeding+guide In PDF document text
    • http://donotip.maderafresnohomes.com/uploads/1/3/1/0/131070450/lijonibal_begolos_bikipala_losovudiketukap.pdfIn PDF document text
    • http://wepusegi.sp-arms.com/uploads/1/3/1/4/131453718/jefojowatinizi_vojifizas_zizawofelilebad.pdfIn PDF document text
    • http://lurovixet.vetmedtrail.com/uploads/1/3/0/7/130775162/d95214ccda58db3.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/1/0427/9785/8972/files/35578079402.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/0989/1742/files/62184530018.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0438/0377/1041/files/zobonusufikisatixeravazev.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/7552/6042/files/december_2016_printable_calendar.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/7110/3395/files/ardhanareeswara_stotram_telugu_free_download.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/5882/2296/files/wulebatusiperejomusi.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/1778/9862/files/87230090977.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/5919/1712/files/gatineau_park_fall_color_report.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/2195/1391/files/counter_strike_rates.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/8119/5927/files/66431037269.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_off00006ce1.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6CE1 5212 bytes
SHA-256: 2aaf199db230333009a9f408fd4063d4fced7d116d80315c9c034d011dbc994f
font_01_sfnt_off00007e73.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x7E73 10460 bytes
SHA-256: fc77f5e304d86bb87f5b00b82e27006665e17bb0210caae6b62c6538057330fb

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