Malicious PDF — malware analysis report

Static analysis result for SHA-256 a02a1b9c05e7dbf6…

MALICIOUS

PDF

59.0 KB Created: 2020-08-13 22:07:05 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 380d84434b70b933924e739904f797b8 SHA-1: e926300702beb8153c17e2cd987a41874696c8ad SHA-256: a02a1b9c05e7dbf647a588791dc1885148a82f3be26cd791d482b9f84273da8a
152 Risk Score

Malware Insights

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

The PDF contains a critical heuristic firing for a malicious redirector link pointing to 'ttraff.com'. Additionally, it features a PDF link farm, with many links hosted on 'cdn.shopify.com', suggesting an attempt to distribute malicious content or manipulate search engine results. The document body, though heavily obfuscated, contains the URL 'https://ttraff.com/pify?keyword=the+guide+handbook', reinforcing the malicious redirector finding.

Machine Learning

  • Nyx PDF Classifier malicious score 1.0000

Heuristics 4

  • 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.
  • 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=the+guide+handbook
    • http://files.moorestownlegendslax.com/uploads/1/3/0/7/130775762/57a819ff731.pdf
    • http://files.mattmonfettlaxcamp.com/uploads/1/3/0/9/130969356/86e975613988f.pdf
    • http://zunuwovup.ventisim.com/uploads/1/3/2/7/132712376/mirig.pdf
    • http://tepefaxe.enimun.org/uploads/1/3/0/7/130740178/laruwigek.pdf
    • https://cdn.shopify.com/s/files/1/0434/8159/6066/files/xarokalibiguxu.pdf
    • https://cdn.shopify.com/s/files/1/0428/6464/0159/files/xowekalunamuwuguvuduju.pdf
    • https://cdn.shopify.com/s/files/1/0434/7337/1288/files/banking_awareness_questions_2020.pdf
    • https://cdn.shopify.com/s/files/1/0450/6445/4294/files/la_boite_de_pandore_werber.pdf
    • https://cdn.shopify.com/s/files/1/0434/6917/6985/files/analysis_for_office_tutorial.pdf
    • https://cdn.shopify.com/s/files/1/0436/2646/3392/files/daxarixuw.pdf
    • https://cdn.shopify.com/s/files/1/0429/7441/2949/files/billboard_top_100_1989.pdf
    • https://cdn.shopify.com/s/files/1/0433/3309/1480/files/xubeporebojusobelaluwekiw.pdf
    • https://cdn.shopify.com/s/files/1/0432/0857/3091/files/morphology_of_viruses.pdf
    • https://cdn.shopify.com/s/files/1/0431/8301/4048/files/71133869012.pdf
    • https://cdn.shopify.com/s/files/1/0431/3510/7233/files/35525058055.pdf
    • https://cdn.shopify.com/s/files/1/0435/6630/1343/files/maplestory_reboot_equipment_guide_2017.pdf
    • https://cdn.shopify.com/s/files/1/0431/7226/6150/files/82698560765.pdf
    • http://www.w3.org/1999/02/22-rdf-syntax-ns#
    • http://purl.org/dc/elements/1.1/
    • http://ns.adobe.com/pdf/1.3/
    • http://ns.adobe.com/xap/1.0/
    • http://ns.adobe.com/xap/1.0/mm/
    • http://ns.adobe.com/xap/1.0/rights/
    • https://cdn.shopify.com/s/files/1/0450/6445/4294/files/la_boite_de_pandore_we

Extracted artifacts 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00009b97.bin
40bef88ad78c1670fb3f0b182c3ba5485d9f39d48646fbf1db7f7df9effc61d9		 pdf-font-stream PDF embedded font (sfnt) at offset 0x9B97 4736 bytes
font_01_sfnt_off0000ab99.bin
38b86500640b7507e74897bdfde9f63013d05d30d37b003d6b9535d742824e54		 pdf-font-stream PDF embedded font (sfnt) at offset 0xAB99 10908 bytes
font_02_sfnt_off0000d0b2.bin
cd94ef65598b1866d0653cdd88243d989fd81359c0e770c2d3a4858f1c2f6d34		 pdf-font-stream PDF embedded font (sfnt) at offset 0xD0B2 4324 bytes

Open this report in the interactive analyzer, or submit your own file for analysis.