Malicious PDF — malware analysis report

Static analysis result for SHA-256 bf32f79ef1878c30…

MALICIOUS

PDF

46.7 KB Created: 2020-08-10 14:16:05 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-09
MD5: e1f2a21ace5cae744fc528e0a01c4ec5 SHA-1: 1e5b49fc20f391eb2fc72b5a35ce79a07310a87c SHA-256: bf32f79ef1878c3074fe12f4d118f27afa06faf8842e18f73477b492ed841870
194 Risk Score

Malware Insights

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

The PDF contains a malicious redirector link disguised with a relevant keyword, aiming to lure users to a compromised site. The document also features a large number of external PDF links, many hosted on Shopify, suggesting a link farm or SEO poisoning tactic to increase visibility of malicious content. The ML classifier strongly indicated maliciousness.

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.com/pify?keyword=agrochemical+association+of+kenya+pdf In PDF document text
    • http://files.theunwindingway.org/uploads/1/3/0/8/130814680/fozusotig.pdfIn PDF document text
    • http://files.shopragjunkie.com/uploads/1/3/1/3/131398242/2745ef16de38d.pdfIn PDF document text
    • http://files.houseofbargains.shop/uploads/1/3/1/3/131383514/4819687.pdfIn PDF document text
    • http://files.emlisservices.com/uploads/1/3/1/6/131606208/6498638.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/1/0428/3986/7559/files/2526500630.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/8976/4245/files/nesadel.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/5158/0568/files/vikawirut.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/3900/6615/files/zokizezudisizuzo.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/6646/6216/files/4609342435.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/4570/7166/files/daranakakulipuruzirudiwe.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/8620/8406/files/before_he_cheats_piano.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/1599/4529/files/44694616408.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/3510/7233/files/faa_far_91.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/3799/0805/files/nawajizazur.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/1720/6946/files/vupuvovovusigi.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/7870/4536/files/netflix_dvd_queue.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/42386580717.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 7

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_off0000780b.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x780B 5724 bytes
SHA-256: bb38778f0b9e99dfcf1d76a9f8cea6b6e114aa676a0bb1d0f463c718076a8122
font_01_sfnt_off00008b67.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x8B67 10140 bytes
SHA-256: 7059f7319c990e86bd50cbe7900d8c369f9cb03d3fef4bb8bfc163bbe7d68ef5

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