Malicious PDF — malware analysis report

Static analysis result for SHA-256 7f6eb64fff18cbd0…

MALICIOUS

PDF

54.7 KB Created: 2020-08-09 09:33:59 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 6e0862c694d972d04c3c564c279dc824 SHA-1: b3f8f60536d8a8209de4d47742264037ebe87363 SHA-256: 7f6eb64fff18cbd04ccc4a845f1b7dd2c7d7ed9360262e60b5176670d412cc91
120 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1204.002 Malicious Link

The PDF contains numerous links, including one to a known malicious redirector at `https://ttraff.ru/pify?keyword=acrobat+reader+edit+pdf+crack`. The document also hosts a large number of SEO-optimized PDF files on Shopify domains, likely to improve search engine ranking for terms related to software cracking. This suggests a social engineering campaign to trick users into downloading potentially malicious software or visiting further compromised sites.

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=acrobat+reader+edit+pdf+crack
    • http://files.mcleanboosters.org/uploads/1/3/0/8/130813821/legibesinanexe.pdf
    • http://fowasiz.merrychristmasfromthewades.com/uploads/1/3/0/8/130874276/4994017.pdf
    • http://files.glacierpilotslegacy.com/uploads/1/3/2/6/132681476/papefajegoni_gugegovufevumi.pdf
    • http://files.farmacybotanical.com/uploads/1/3/2/3/132302973/xutitogesafa-lixoreriberexik-larowuwonubola.pdf
    • http://bitipule.apahcare.com/uploads/1/3/1/3/131383544/rawupikojusibe.pdf
    • https://cdn.shopify.com/s/files/1/0433/7215/0942/files/lugezunejarokusaxagojo.pdf
    • https://cdn.shopify.com/s/files/1/0432/9557/2126/files/91194018228.pdf
    • https://cdn.shopify.com/s/files/1/0437/6064/8343/files/vagesomifedi.pdf
    • https://cdn.shopify.com/s/files/1/0432/9367/1588/files/94517583873.pdf
    • https://cdn.shopify.com/s/files/1/0435/7960/5147/files/allis_chalmers_forklift.pdf
    • https://cdn.shopify.com/s/files/1/0437/1893/4677/files/20992644119.pdf
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/61086590007.pdf
    • https://cdn.shopify.com/s/files/1/0450/3742/0708/files/inspirational_business_success_stories.pdf
    • https://cdn.shopify.com/s/files/1/0432/9157/4430/files/sawujur.pdf
    • https://cdn.shopify.com/s/files/1/0434/8457/7956/files/bizazepab.pdf
    • https://cdn.shopify.com/s/files/1/0432/1899/3307/files/85976608084.pdf
    • https://cdn.shopify.com/s/files/1/0432/9357/3284/files/64781195340.pdf
    • https://cdn.shopify.com/s/files/1/0431/0204/4316/files/22746984072.pdf
    • https://cdn.shopify.com/s/files/1/0440/8092/2789/files/2002_honda_accord_manual.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 4

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00006c57.bin
5d76b9f44c5bea5b7d7e65ac1742eb1eef2d0a0bedea1f2c6afd430590136af0		 pdf-font-stream PDF embedded font (sfnt) at offset 0x6C57 5236 bytes
font_01_sfnt_off00007ec2.bin
c8d520c6007999537132443096c2ea7a681ddfad3cfab9a60456b046664f6bfb		 pdf-font-stream PDF embedded font (sfnt) at offset 0x7EC2 5132 bytes
font_02_sfnt_off0000904c.bin
d6d4fce4e0c4b25d9a530cb73e9b4449b20e165bc67ab463930e6d689dad37fa		 pdf-font-stream PDF embedded font (sfnt) at offset 0x904C 10564 bytes
font_03_sfnt_off0000b474.bin
6a519f54f5516a02950eed31c222a33217e1daf964577f37e3b402c146ae77cd		 pdf-font-stream PDF embedded font (sfnt) at offset 0xB474 16488 bytes

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