PDF malware analysis — malicious · eb7edf346f6992e4

MALICIOUS

PDF

48.4 KB Created: 2020-07-28 11:52:07 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)

MD5: 9e2ded194ae40296b237f4a71f950810 SHA-1: 5bfd9aa611bcc539def407f1922f95db236c22ac SHA-256: eb7edf346f6992e41f523abcc0ac5963b608da902a0b63f68671275219fa63a7

150 Risk Score

Malware Insights

MITRE ATT&CK

T1566.002 Spearphishing Attachment T1059.001 PowerShell

The PDF contains a malicious redirector link pointing to ttraff.com, which is flagged as malicious. Additionally, it hosts a large number of external PDF links, many hosted on cdn.shopify.com, suggesting a link farm or SEO poisoning tactic. The document body, though heavily garbled, contains text related to 'nutritional information' and the wkhtmltopdf application, likely a lure.

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.com/pify?keyword=informaci%25C3%25B3n+nutricional+del+salvado+de+trigo
- http://files.shsu-xa.com/uploads/1/3/0/9/130969824/sasap.pdf
- http://files.amatterofinspiration.org/uploads/1/3/2/6/132680994/5770006.pdf
- http://files.viewourbenefits.com/uploads/1/3/1/3/131379248/mavoturul.pdf
- http://files.esoterichealing.com/uploads/1/3/0/7/130739415/wigujesosofu.pdf
- http://files.shsu-xa.com/uploads/1/3/0/9/130969824/sa
- https://cdn.shopify.com/s/files/1/0429/1641/3607/files/xolojafenigasoserer.pdf
- https://cdn.shopify.com/s/files/1/0433/0805/6740/files/mopukipamubejikimazusan.pdf
- https://cdn.shopify.com/s/files/1/0434/0632/7959/files/89038981573.pdf
- https://cdn.shopify.com/s/files/1/0428/7689/5388/files/viguxegaxelibasewu.pdf
- https://cdn.shopify.com/s/files/1/0430/3316/5986/files/dimelezubidudujoga.pdf
- https://cdn.shopify.com/s/files/1/0436/0182/1859/files/deramusujafadomusejuvelal.pdf
- https://cdn.shopify.com/s/files/1/0430/5453/0714/files/23745881841.pdf
- https://cdn.shopify.com/s/files/1/0433/4669/0203/files/xotobariradakebofatiluwa.pdf
- https://cdn.shopify.com/s/files/1/0437/1152/9114/files/35005172047.pdf
- https://cdn.shopify.com/s/files/1/0438/3404/8669/files/465461919.pdf
- https://cdn.shopify.com/s/files/1/0430/7301/1865/files/kitutazele.pdf
- https://cdn.shopify.com/s/files/1/0427/7505/2454/files/48148383355.pdf
- https://cdn.shopify.com/s/files/1/0431/5011/4967/files/meloluvum.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_off00007dac.bin` `de2a7448bbeb68dd320f98911e954cd8e9e1ecbdb0d1a31b4b37d99418fedbd2`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x7DAC	5356 bytes
`font_01_sfnt_off00008f85.bin` `dbc6a3cb958c0f44d833621eb87bd9e8156c09c4f7beba6f89effd549ca85a94`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x8F85	10536 bytes

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