Malicious PDF — malware analysis report

Static analysis result for SHA-256 02b35a96efca80a1…

MALICIOUS

PDF

59.2 KB Created: 2020-08-04 04:17:42 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-08
MD5: 7cacf4b84e31d73a9bc5467eff4aa095 SHA-1: bad1aaf53c4601947b590bd5e0b5549808f26bbc SHA-256: 02b35a96efca80a1606d3b56268ab1cb92cde065bcde0da5f4be9a31cd6677a6
194 Risk Score

Malware Insights

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

The PDF contains numerous embedded links, many of which point to a redirector service known for hosting malicious content. The document body and heuristics indicate a lure for free downloads, likely leading to phishing or malware. While no scripts were directly extracted, the PDF structure and embedded links suggest an attempt to redirect users to malicious sites.

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=azkar+almasa+pdf In PDF document text
    • http://files.pleasantvalleyfmc.org/uploads/1/3/2/6/132682640/jolemoxuwonuburaku.pdfIn PDF document text
    • http://nelajiso.lawlsscoffee.com/uploads/1/3/2/7/132740362/xusuw.pdfIn PDF document text
    • http://files.guadalupetunon.com/uploads/1/3/2/7/132711999/aa96ac.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/1/0433/0687/7080/files/909040323.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/2912/6550/files/31269148438.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/1097/3083/files/wugepajoniwanevekenudore.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0435/2117/9802/files/53461939393.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/5346/6271/files/sigesituwizexiranixino.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0435/3160/0031/files/qemu-_img_resize.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/9422/8630/files/laketarigos.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/7410/1160/files/toter.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/0235/4070/files/super_craft_bros.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/8956/7650/files/bakipawopiriv.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/9377/8837/files/7783067881.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/51268900441.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0438/4686/0957/files/kironirekoro.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
    • http://dejavu.sourceforge.netIn PDF document text
    • http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text

Related samples 3

Ranked by shared artifacts, heuristics, extracted URLs, CVEs, and signatures.

Full JSON: related samples API

Extracted artifacts 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00008fc3.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x8FC3 5292 bytes
SHA-256: 14d473aff4e4588b1ca114c9a990dd22a6365d2141cf06ecdf923240f1ea1163
font_01_sfnt_off0000a1b6.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xA1B6 11008 bytes
SHA-256: d3b6a5df2331a38305d01e9c01657f1959697c282ae2d582d92c03e7bd6c1a27
font_02_sfnt_off0000c65c.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xC65C 17300 bytes
SHA-256: 1dc0a608e6f09eb10d7eb9a67b416bd093b510175afcf41e69a30442ff94dd19

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