PDF malware analysis — malicious · ace179d2c5989679

MALICIOUS

PDF

42.7 KB Created: 2020-08-02 12:15:44 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)

MD5: 4c5beadbaf824b4cadebe45182f37ca0 SHA-1: 43ef5b23963dec8675f67353b1d4425afb4584fd SHA-256: ace179d2c5989679cf2e0a4a594fb1a4ec126ed20351614bbf853b7942c5d9d1

120 Risk Score

Malware Insights

MITRE ATT&CK

T1566.002 Spearphishing Attachment T1204.002 Malicious Link

The PDF file contains numerous embedded links, a tactic often used for SEO poisoning or redirecting users to malicious sites. One critical heuristic identified a link to a known malicious redirector, ttraff.com, which is used in conjunction with a lure related to 'consumer reports coffee makers'. The document body, though heavily obfuscated, contains references to this lure and the redirector URL. The presence of a large number of external PDF links further supports the malicious intent.

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=consumer+reports+coffee+makers
- http://files.travelingtolearn.com/uploads/1/3/1/4/131482968/0db5ec7d7fff7.pdf
- http://files.yourvitality.co/uploads/1/3/1/1/131164355/luzexulewokif.pdf
- http://files.sischoolsf.com/uploads/1/3/1/0/131069992/pujizinijinirivitox.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/zijilo.pdf
- https://cdn.shopify.com/s/files/1/0435/0830/1989/files/mujemaj.pdf
- https://cdn.shopify.com/s/files/1/0433/0966/2366/files/gotoxofupefipuneb.pdf
- https://cdn.shopify.com/s/files/1/0437/4642/7034/files/zakavazesonikipopawaludu.pdf
- https://cdn.shopify.com/s/files/1/0429/9980/8149/files/bisaratuzejilabewufidobo.pdf
- https://cdn.shopify.com/s/files/1/0433/5871/6055/files/67814149022.pdf
- https://cdn.shopify.com/s/files/1/0430/5338/3833/files/rubitebavinuwiriko.pdf
- https://cdn.shopify.com/s/files/1/0429/7788/6367/files/33562887023.pdf
- https://cdn.shopify.com/s/files/1/0435/3985/7572/files/vevurimapop.pdf
- https://cdn.shopify.com/s/files/1/0434/1917/3029/files/anaconda_python_download.pdf
- https://cdn.shopify.com/s/files/1/0432/8236/6629/files/mowegaxopot.pdf
- https://cdn.shopify.com/s/files/1/0431/9009/1940/files/how_to_rollback_commit_gitlab.pdf
- https://cdn.shopify.com/s/files/1/0428/5094/3142/files/rejavavi.pdf
- https://cdn.shopify.com/s/files/1/0433/4462/5822/files/45929982419.pdf
- https://cdn.shopify.com/s/files/1/0429/0222/5059/files/24619526838.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_off0000694f.bin` `129ea11e0cef65546ff10950604f2c61198a2cfe8eaaf0c5db9ae825bf3ba82e`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x694F	5096 bytes
`font_01_sfnt_off00007a90.bin` `6761ed57577d4ef715ddac0f09d8ec939afa154b0016b9047189b11bcadd0375`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x7A90	10472 bytes

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