PDF malware analysis — malicious · 987a1f9f24d4807f

MALICIOUS

PDF

51.2 KB Created: 2020-08-03 19:26:42 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)

MD5: 038ec06c68c0e4a56957eadafa715a63 SHA-1: 1c34879a6f6594a40b1d973ba6251c6eff020eb0 SHA-256: 987a1f9f24d4807f6a900c154af624b67467c785f59ce790e5cf8d18665000a9

150 Risk Score

Malware Insights

MITRE ATT&CK

T1566.002 Spearphishing Attachment T1204.002 Malicious Link

The PDF contains a link to a known malicious redirector, ttraff.com, which is part of a link farm strategy. The document body, though heavily garbled, contains text related to French learning resources, likely a lure to encourage clicks. The ML classifier also strongly indicated maliciousness. The primary attack vector appears to be tricking the user into visiting the 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/pify?keyword=livres+pour+apprendre+fran%25C3%25A7ais+pdf
- http://files.mrsrussellsclassroom2018.com/uploads/1/3/1/4/131406303/2579080.pdf
- http://files.layoverfriend.com/uploads/1/3/0/7/130739333/4f41b2197590657.pdf
- http://files.noelcustoms.shop/uploads/1/3/1/3/131398392/penonogoledekutiw.pdf
- https://cdn.shopify.com/s/files/1/0432/3812/9823/files/mupoturu.pdf
- https://cdn.shopify.com/s/files/1/0430/8667/6117/files/nv_dmv_bill_of_sale.pdf
- https://cdn.shopify.com/s/files/1/0429/6137/1290/files/pamak.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/87960197539.pdf
- https://cdn.shopify.com/s/files/1/0428/2223/8374/files/20682704978.pdf
- https://cdn.shopify.com/s/files/1/0430/1278/4277/files/44660705976.pdf
- https://cdn.shopify.com/s/files/1/0437/3282/8314/files/jasudojidosafazo.pdf
- https://cdn.shopify.com/s/files/1/0430/3880/2073/files/nuxejip.pdf
- https://cdn.shopify.com/s/files/1/0431/3504/1693/files/5272309261.pdf
- https://cdn.shopify.com/s/files/1/0433/1926/3397/files/83457564286.pdf
- https://cdn.shopify.com/s/files/1/0435/2580/0087/files/2737552377.pdf
- https://cdn.shopify.com/s/files/1/0427/5719/3895/files/79820397470.pdf
- https://cdn.shopify.com/s/files/1/0437/1077/5464/files/berserk_2017_torrent.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_off00007043.bin` `989019d43de4719beb4e1522e858a9eb1bd43f9a3f6644dd474a56197ab21391`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x7043	5188 bytes
`font_01_sfnt_off00008203.bin` `a6b8e890704e553fb0866e7e052c06ea720a3dbd29e600b87cf9df996177a234`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x8203	11848 bytes
`font_02_sfnt_off0000a7c5.bin` `532315dfdc59b350d447ad91845dd8cc72a836e684f536ab9a4305dc5b53fb8e`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xA7C5	16204 bytes

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