PDF malware analysis — malicious · dd00e3a936239b9d

MALICIOUS

PDF

50.5 KB Created: 2020-08-08 16:42:15 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)

MD5: 7768d0911c7bca03994a5d0844297fa8 SHA-1: a22c5d453b4a8a1e8e16a0a14879ec594688c90d SHA-256: dd00e3a936239b9d5cba10111e100b46b850541ec057b54a46ecb28389fae003

120 Risk Score

Malware Insights

MITRE ATT&CK

T1566.002 Spearphishing Attachment T1204.002 Malicious Link

The PDF contains numerous embedded links, with a critical heuristic firing for a malicious redirector at 'https://ttraff.com/pify?keyword=ajit+bharti+book+pdf'. The document body, though heavily obfuscated, contains text suggesting it is a book PDF, which is a common lure. The presence of a link farm indicates an attempt to distribute malicious content or phish users.

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=ajit+bharti+book+pdf
- http://tabived.simonetteberry.com/uploads/1/3/1/8/131856772/vanifudolaxuwalinif.pdf
- http://files.first-contact.org/uploads/1/3/0/8/130814118/134c4.pdf
- http://files.gracemankato.com/uploads/1/3/0/7/130775221/2540652.pdf
- http://files.techterraceunit.org/uploads/1/3/1/4/131438211/rurevapubupik.pdf
- https://cdn.shopify.com/s/files/1/0435/9805/3539/files/49364258192.pdf
- https://cdn.shopify.com/s/files/1/0431/7170/9092/files/tisuwudozimo.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/mutiga.pdf
- https://cdn.shopify.com/s/files/1/0431/0820/4701/files/43683972175.pdf
- https://cdn.shopify.com/s/files/1/0427/8226/1415/files/givirokinumegogem.pdf
- https://cdn.shopify.com/s/files/1/0439/9346/4990/files/56759993761.pdf
- https://cdn.shopify.com/s/files/1/0434/6180/4197/files/lalefoguwibesutinugal.pdf
- https://cdn.shopify.com/s/files/1/0434/5665/9621/files/beveiligde_bewerken_online.pdf
- https://cdn.shopify.com/s/files/1/0438/2985/4368/files/sasitofozatap.pdf
- https://cdn.shopify.com/s/files/1/0440/8170/9206/files/paxujuvi.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/xibirinadinabamagumib.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 4

Files carved from inside the sample during analysis.

Filename	Kind	Source	Size
`font_00_sfnt_off00005dba.bin` `10a82db14c163d2fa132776bc7c699cd6fb895e2d8058bb956e036b5c4d8dcfd`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x5DBA	5188 bytes
`font_01_sfnt_off00006f57.bin` `40ef96da86b6123d577d475be460de15c41b9ca7393a8e650be4e9942aa3c64b`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x6F57	3720 bytes
`font_02_sfnt_off00007ab8.bin` `add3412e238ed89e37a2d22e2884d4c9d1536eecd77b4dc66f9567c2c16f0249`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x7AB8	9884 bytes
`font_03_sfnt_off00009c74.bin` `e0fc57c6a0bb9b06d210fca524fbe02c885a97e941f24a433704febb820765d6`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x9C74	10188 bytes

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