Malicious PDF — malware analysis report

Static analysis result for SHA-256 7d8551e3de857b68…

MALICIOUS

PDF

42.0 KB Created: 2020-08-06 17:17:23 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 688c5be3f3c53616f187f3c3f616605a SHA-1: 514786b09e7a289585ee484f47e22552b1a3069a SHA-256: 7d8551e3de857b68f18fbe597fd76acfbc0798dcdf2f11494b18e04ee5a2aed9
120 Risk Score

Malware Insights

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

The PDF document contains a link to a known malicious redirector, ttraff.ru, which is likely used to distribute further malware or phishing content. The document body, though partially corrupted, suggests a lure related to reproductive anatomy to entice users to click the malicious link. The presence of numerous other PDF links, many hosted on Shopify, indicates a link farm strategy to improve search engine visibility for malicious content.

Heuristics 3

  • 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.
  • 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=appareil+genital+feminin+et+masculin+pdf
    • http://files.xcelbasketballprogram.com/uploads/1/3/1/3/131398515/9042194.pdf
    • http://files.tjeffersoncarey.com/uploads/1/3/1/3/131380875/papedupoduwegamogona.pdf
    • http://files.evelandfarm.com/uploads/1/3/1/4/131436971/93088aafe1eb3.pdf
    • http://files.jolenerogers.com/uploads/1/3/1/4/131407552/6999520.pdf
    • http://files.linguafrancainstitute.com/uploads/1/3/1/4/131407299/titusot.pdf
    • https://cdn.shopify.com/s/files/1/0434/8284/1250/files/18778190995.pdf
    • https://cdn.shopify.com/s/files/1/0431/7003/7917/files/sulororobevokunowegawil.pdf
    • https://cdn.shopify.com/s/files/1/0434/6170/5888/files/91165161126.pdf
    • https://cdn.shopify.com/s/files/1/0433/5196/5855/files/basics_of_computer_mcq.pdf
    • https://cdn.shopify.com/s/files/1/0428/5592/3878/files/fimove.pdf
    • https://cdn.shopify.com/s/files/1/0434/4827/1000/files/aircraft_engineering_and_aerospace_technology.pdf
    • https://cdn.shopify.com/s/files/1/0429/2296/7207/files/libro_callese_y_venda.pdf
    • https://cdn.shopify.com/s/files/1/0440/7810/4728/files/56458315578.pdf
    • https://cdn.shopify.com/s/files/1/0432/8233/3851/files/19155273433.pdf
    • https://cdn.shopify.com/s/files/1/0434/8697/0018/files/15063238747.pdf
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/72163988246.pdf
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/lobusine.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/

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000605f.bin
52f1be6eaab0184faf95c83d57460c269dea2e00948d8c3da828027dd4ffa84d		 pdf-font-stream PDF embedded font (sfnt) at offset 0x605F 5464 bytes
font_01_sfnt_off000072e1.bin
7748c6e068a3bb5b670ebdb4118039490370de3d847b846ce34e0c9813a0ccdd		 pdf-font-stream PDF embedded font (sfnt) at offset 0x72E1 12200 bytes

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