PDF malware analysis — malicious · fc268ad44fffc83a

MALICIOUS

PDF

41.4 KB Created: 2020-08-06 17:03:02 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)

MD5: 5f73865d2eec7e24c374b6aad6e50ae0 SHA-1: b0afd407bf03cb781a8285dedb1b09caa5da8ad3 SHA-256: fc268ad44fffc83a3cf44d0172b4f3f9153d89cde279023be632a02c94b8da5b

120 Risk Score

Malware Insights

MITRE ATT&CK

T1566.002 Spearphishing Attachment T1204.002 Malicious Link

The PDF file contains numerous embedded links, a technique often used for SEO spam or to redirect users to malicious sites. One prominent link, 'https://ttraff.com/pify?keyword=working+of+2+stroke+diesel+engine+pdf', is flagged as a malicious redirector. The document body, though partially garbled, contains text related to 'working of 2 stroke diesel engine pdf', suggesting a lure to disguise the malicious intent. The presence of a large number of external PDF links further supports the SEO spam or link farm attack pattern.

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.com/pify?keyword=working+of+2+stroke+diesel+engine+pdf
- http://files.stjohnsdunellen.org/uploads/1/3/1/6/131606046/ee04d81830cd9a.pdf
- http://files.dpjutzi.com/uploads/1/3/1/8/131859370/rozimopoxabipomo.pdf
- http://files.kujawaorchids.com/uploads/1/3/0/7/130775588/sipikapemuzexog.pdf
- https://cdn.shopify.com/s/files/1/0435/7927/7467/files/koxeson.pdf
- https://cdn.shopify.com/s/files/1/0433/9066/4860/files/rosodipilizusaduliretu.pdf
- https://cdn.shopify.com/s/files/1/0437/6713/6413/files/4260782142.pdf
- https://cdn.shopify.com/s/files/1/0439/2134/2619/files/6653343291.pdf
- https://cdn.shopify.com/s/files/1/0427/8606/2495/files/doosan_lynx_220_manual.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/56773010908.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/damegadunuje.pdf
- https://cdn.shopify.com/s/files/1/0433/7926/1590/files/56714743005.pdf
- https://cdn.shopify.com/s/files/1/0434/1838/6588/files/dawexukesimimirolozikegab.pdf
- https://cdn.shopify.com/s/files/1/0430/8202/3061/files/63908049928.pdf
- https://cdn.shopify.com/s/files/1/0431/1220/2389/files/vutiwovodinoleve.pdf
- https://cdn.shopify.com/s/files/1/0430/7592/8215/files/42019890832.pdf
- https://cdn.shopify.com/s/files/1/0433/0936/7461/files/kokitoravetitop.pdf
- https://cdn.shopify.com/s/files/1/0433/2997/8526/files/vugexowa.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.

Filename	Kind	Source	Size
`font_00_sfnt_off00006407.bin` `bb6d13bc03caf322c8e8f20062d7023eb95fdae0785547f405a34cba3af02eec`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x6407	5208 bytes
`font_01_sfnt_off000075f0.bin` `608ff2bbbb6ac63b754c69a9b57d3397dc509d387273e2d2f78f2992ed10f46a`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x75F0	10076 bytes

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