PDF malware analysis — malicious · 1cea38d0f965b6d2

MALICIOUS

PDF

50.3 KB Created: 2020-07-21 09:16:37 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)

MD5: c2c94a996257f083c6b88aa2f0480ea4 SHA-1: 6afa455a34d35bc17335765698226ee387a7b0d2 SHA-256: 1cea38d0f965b6d223aac3cdd1ecde411fd45630bce0d3046f6063f035817cb3

150 Risk Score

Malware Insights

MITRE ATT&CK

T1566.002 Spearphishing Attachment T1059.001 PowerShell T1204.002 Malicious Link

The PDF contains a link to a known malicious redirector, ttraff.com, which is disguised as an article about gastric ulcers. The document also features a large number of external PDF links, many hosted on Shopify, suggesting a link farm or SEO poisoning tactic to attract victims. The ML classifier strongly indicates maliciousness. The primary attack vector is likely the embedded malicious URL.

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/wb?keyword=ulcera%20gastrica%20articulo%20pdf
- http://files.d-vinedesigns.com/uploads/1/3/2/6/132695915/18176392.pdf
- http://files.rsvpvolunteercaregivers.org/uploads/1/3/2/6/132681824/navate.pdf
- http://files.namioncampusuno.com/uploads/1/3/0/7/130739883/buteninolemenagup.pdf
- https://cdn.shopify.com/s/files/1/0432/2351/5294/files/lekidix.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/50833930904.pdf
- https://cdn.shopify.com/s/files/1/0432/4671/5040/files/tixujudopilel.pdf
- https://cdn.shopify.com/s/files/1/0429/1733/1100/files/duganoxedim.pdf
- https://cdn.shopify.com/s/files/1/0428/7011/2423/files/mulupabegof.pdf
- https://talubugejama.files.wordpress.com/2020/07/69351810017.pdf
- https://dozosemi.files.wordpress.com/2020/07/68519242490.pdf
- https://bogivafapil.files.wordpress.com/2020/07/zobatulisifejujep.pdf
- https://fuzejumif.files.wordpress.com/2020/06/83241772996.pdf
- https://wijumama.files.wordpress.com/2020/06/45963331450.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/fadanamimurusekebunom.pdf
- https://cdn.shopify.com/s/files/1/0430/1137/5267/files/59388095392.pdf
- https://cdn.shopify.com/s/files/1/0432/5926/5188/files/64900867249.pdf
- https://cdn.shopify.com/s/files/1/0433/3761/3461/files/lidadopetonimemisiri.pdf
- https://cdn.shopify.com/s/files/1/0430/8946/1410/files/61268626777.pdf
- https://cdn.shopify.com/s/files/1/0431/3966/1986/files/jimakaravokakepulini.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_off000084f5.bin` `c8bec88795bb785afec49328b41982d5122ff0f761a90833d60a25225aa91188`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x84F5	5088 bytes
`font_01_sfnt_off00009656.bin` `7bc8478c2883b42d71d74300c89efaa62f4fe076667f3b92a21b61993feb2bc1`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x9656	11148 bytes

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