Malicious PDF — malware analysis report

Static analysis result for SHA-256 6f30dd7892a385a8…

MALICIOUS

PDF

32.7 KB Created: 2020-08-22 11:44:09 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-08
MD5: 34b89d6c48256908c689cac29d9523e6 SHA-1: d8ea8683caecf2f1bd85618d01575db71886ad93 SHA-256: 6f30dd7892a385a8ae0b79965497b7dd57ca8c4465177d0947d2472aed6e132f
194 Risk Score

Malware Insights

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

This PDF file contains multiple embedded links, with one specifically identified as a malicious redirector. The document body and heuristics indicate a lure for free downloads, leading to the redirector URL. The presence of numerous links, many pointing to Shopify domains, suggests an attempt to create a link farm for SEO manipulation, ultimately directing users to malicious content.

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=lagu+celengan+rindu+feby In PDF document text
    • http://files.britishcockapoosociety.com/uploads/1/3/1/4/131437839/f470e1fd8.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/1/0435/3346/7807/files/belajar_gitar_otodidak.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0427/8062/3015/files/pobade.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/26384136461.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0438/7323/9195/files/xeposadaniper.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/4115/3439/files/10005397468.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/3051/0758/files/ascorbic_acid_chemistry.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0449/7352/3112/files/july_month_current_affairs_2020_testbook.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/9829/9813/files/zibebozuka.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/9340/9438/files/free_online_converter_to_word_format.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 1

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_off00004384.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x4384 5192 bytes
SHA-256: e891fa7bbb1876f5e22851e0014e4699d7333d086363a6f6bf3143c49b54e602
font_01_sfnt_off00005541.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x5541 9776 bytes
SHA-256: 43320ceefb2ae47cdc2189d7776b64bd304449fa1189406a3377f5cd8cf1428d

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