Malicious PDF — malware analysis report

Static analysis result for SHA-256 f015bd290bec6b1d…

MALICIOUS

PDF

36.9 KB Created: 2020-08-08 10:49:47 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-07
MD5: 0452413a212fbe272c5788df734f2acc SHA-1: 4872f3c8db2e0e1d67002fc7427ed7fd4a4d0e64 SHA-256: f015bd290bec6b1d0dd8c0991c4fbc7ee73b7a06e3f33da11808af53cdcb12c0
194 Risk Score

Malware Insights

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

The PDF file contains a large number of embedded links, many of which point to domains associated with link farms and redirectors. One critical heuristic identified a link to known malicious redirector infrastructure at 'https://ttraff.ru/pify?keyword=bible+cebuano+version+pdf'. The document body, though heavily obfuscated, also contains this URL, suggesting an attempt to direct users to potentially harmful content. The ML classifier also strongly flagged this PDF as malicious.

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=bible+cebuano+version+pdf In PDF document text
    • http://files.rhearuben.com/uploads/1/3/1/4/131453198/wazaxonezubuziv_zuxugoketipiw_pebikuwuvuluzaw_kegap.pdfIn PDF document text
    • http://tabivuvo.back2balance4life.com/uploads/1/3/1/4/131437657/mirijolitipedi-sudewuvolodifat-jumulusojeg-folirus.pdfIn PDF document text
    • http://files.avongrovecommunity.org/uploads/1/3/1/1/131163902/palalidegusuga-sajareda-xutanogedu-soratomek.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/1/0432/9802/9733/files/personal_voicemail_greeting_examples_for_cell_phone.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0436/2724/9826/files/mimat.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/3780/2146/files/sanefed.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/6542/5570/files/91249850747.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/6582/6719/files/61672325342.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/6989/8914/files/58870974313.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/27588499931.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/4973/0727/files/96063373603.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0427/7148/0742/files/vejirumeseji.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/6649/1031/files/maelstrom_arena_guide.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/2364/6365/files/64635008691.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0435/5247/3252/files/how_to_redeem_steam_keys.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/9085/3531/files/89564337335.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 4

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_off000050c8.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x50C8 5400 bytes
SHA-256: d00adcd2e8fc232c7a697ba7d63e5962d5c0112477c06bda97627673ef40898f
font_01_sfnt_off00006339.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6339 10428 bytes
SHA-256: 1d254c7475cfea3bfe04536efdc7296c3675d143b3194a0bb188460ba562180f

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