PDF malware analysis — malicious · 9044fe40d380eeca

MALICIOUS

PDF

55.0 KB Created: 2020-07-29 16:50:46 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)

MD5: a2a0345117e8514069d903eba910eda8 SHA-1: ab66befad6ea33c458a3c64f003c4757c4388916 SHA-256: 9044fe40d380eeca9a0d628bd91ca52759ba9aad921234c7b81a3cdb020281ae

150 Risk Score

Malware Insights

MITRE ATT&CK

T1566.002 Spearphishing Attachment T1059.001 PowerShell

The PDF contains multiple embedded links, with one specifically pointing to a known malicious redirector. The document body, though heavily obfuscated, appears to be a lure related to a 'carburetor manual', likely to trick users into clicking the malicious link. The presence of numerous external PDF links further suggests a link farm or SEO poisoning tactic.

Machine Learning

Nyx PDF Classifier malicious score 1.0000

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=carter+yf+carburetor+manual+pdf
- http://files.georgiatoons.com/uploads/1/3/0/8/130874031/1ec35.pdf
- http://files.theboogerbandit.com/uploads/1/3/0/7/130738641/75de61d4c5f5012.pdf
- http://files.365osha.com/uploads/1/3/0/8/130874489/fopakojetim.pdf
- http://files.theroyalapartment.com/uploads/1/3/2/3/132302732/5043949.pdf
- http://files.carolinasugarfairy.com/uploads/1/3/2/6/132682790/b594b0a239f.pdf
- https://cdn.shopify.com/s/files/1/0429/5429/3402/files/44143539963.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/83406059157.pdf
- https://cdn.shopify.com/s/files/1/0434/4102/9276/files/jimenejasolapat.pdf
- https://cdn.shopify.com/s/files/1/0433/6487/6444/files/josetojanepegaj.pdf
- https://cdn.shopify.com/s/files/1/0434/9050/8960/files/33985015719.pdf
- https://cdn.shopify.com/s/files/1/0431/0935/1575/files/58244014016.pdf
- https://cdn.shopify.com/s/files/1/0427/5906/1670/files/95896621822.pdf
- https://cdn.shopify.com/s/files/1/0431/5496/4637/files/93554799734.pdf
- https://cdn.shopify.com/s/files/1/0440/3838/9925/files/23231820858.pdf
- https://cdn.shopify.com/s/files/1/0431/2648/9249/files/68239951066.pdf
- https://cdn.shopify.com/s/files/1/0439/3854/5819/files/pipiparagajetimibo.pdf
- https://cdn.shopify.com/s/files/1/0433/2398/1979/files/guvozuzejaneruv.pdf
- https://cdn.shopify.com/s/files/1/0431/6820/2901/files/41197425987.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 3

Files carved from inside the sample during analysis.

Filename	Kind	Source	Size
`font_00_sfnt_off00007d66.bin` `6284e58d2184618ef57a18e443794d1fa72fabafdfa0a4e3dea3ba9465776adb`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x7D66	5224 bytes
`font_01_sfnt_off00008f17.bin` `c9ecd4120576d74ef92c298f42166b901278eedb0d3e547dd101d5264f2b538c`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x8F17	13224 bytes
`font_02_sfnt_off0000b8c6.bin` `6820151f9a4816bccc9e85e605aef44ce22c8924dfcccd161584754f275bf028`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xB8C6	16132 bytes

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