Malicious PDF — malware analysis report

Static analysis result for SHA-256 60995649274a46a9…

MALICIOUS

PDF

46.9 KB Created: 2020-07-28 07:16:59 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-09
MD5: eecbd7d5ec16f3de37713618e52e222f SHA-1: eb3d6b664bcd62fd9bf9f1338ac5ce59463d97dd SHA-256: 60995649274a46a9ed4919ef30cb483934ef906308c3fd7880a353a0c8ffbddf
194 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1059.007 JavaScript

The PDF file contains embedded links that redirect to a known malicious URL, disguised as a geometry worksheet. The ML classifier strongly indicates maliciousness, and the PDF structure suggests a link farm designed for SEO manipulation to lure victims. No scripts were extracted, but the primary attack vector is the malicious redirector.

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.cc/pify?keyword=geometry+problems+worksheet+and+answers In PDF document text
    • http://files.astrologervaranasi.com/uploads/1/3/0/8/130815095/xuwigolimi.pdfIn PDF document text
    • http://files.thegoldentreatment.com/uploads/1/3/1/4/131410094/bb82e027a57fdf.pdfIn PDF document text
    • http://files.mtzionucc.org/uploads/1/3/1/6/131637178/rowetuga.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/1/0434/3165/7638/files/48729356203.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/8384/8097/files/67673905528.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/5921/6533/files/18416035591.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/7078/3645/files/72677655847.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/5732/3933/files/jodexizosidokozupevizame.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/1104/6561/files/jubularim.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/4504/4892/files/39535416375.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/laxefasigapabaxirasu.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/5560/4134/files/7597564691.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/2553/0005/files/81293840227.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/xigemeziguvego.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/2514/5760/files/23197614029.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/3197/0460/files/8173913981.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_off000079a9.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x79A9 5368 bytes
SHA-256: 88764288ce4f79ecbc01bbf59285d0fa35314285347d750f24d387aa4996f32c
font_01_sfnt_off00008bd4.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x8BD4 10152 bytes
SHA-256: 9c1b1bab015aeb78f5af71b2c4b2411f544b65c61c8d2f67cf6c42600ac8bee6

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