PDF malware analysis — malicious · af1858f45469a3d9

MALICIOUS

PDF

37.2 KB Created: 2020-08-31 10:05:53 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)

MD5: 3ce5440175a66cb6f27f5d682516600c SHA-1: d09e293970b3b98140b4f080e048a2a6ea36d747 SHA-256: af1858f45469a3d92d98e812834545dfc70e8978a84acb9cb2f9ef52527882b7

120 Risk Score

Malware Insights

MITRE ATT&CK

T1566.002 Spearphishing Attachment T1204.002 Malicious Link

The PDF file was identified as malicious due to the presence of a link farm containing numerous external links. One of these links, 'https://ttraff.ru/wix?keyword=mujhe+raat+din+bas+mujhe+chahti+ho+m', points to known malicious redirector infrastructure. The document body contains garbled text along with this URL and other PDF links, suggesting a deceptive lure. The heuristic 'PDF_MALICIOUS_REDIRECTOR_LINK' confirms the redirection to malicious infrastructure.

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.ru/wix?keyword=mujhe+raat+din+bas+mujhe+chahti+ho+m
- https://static.usrfiles.com/ugd/b8c837_4a65437d74f04c28a5d146b6fab35e5d.pdf
- https://static.usrfiles.com/ugd/ab059d_3308f85fd7624b5b969a779037afa2fd.pdf
- https://static.usrfiles.com/ugd/9b5f63_85cbd5d8fd7a4f7383c956a296277d52.pdf
- https://static.usrfiles.com/ugd/b8c837_b14ac01744ac4054ac8f87039d64a356.pdf
- https://static.usrfiles.com/ugd/ea2f88_d476d1905bfa46419ea3c94ad0533ce3.pdf
- https://cdn.shopify.com/s/files/1/0429/3600/8870/files/adjetivos_demostrativos_en_frances_ejercicios.pdf
- https://cdn.shopify.com/s/files/1/0438/3522/8317/files/49587884363.pdf
- https://cdn.shopify.com/s/files/1/0434/1855/0430/files/35835111219.pdf
- https://cdn.shopify.com/s/files/1/0428/1755/2543/files/99017626277.pdf
- https://cdn.shopify.com/s/files/1/0431/2327/7973/files/fejijo.pdf
- https://cdn.shopify.com/s/files/1/0430/3673/7699/files/ashraful_insha_download.pdf
- https://cdn.shopify.com/s/files/1/0429/2748/9183/files/sifipibirakozum.pdf
- https://cdn.shopify.com/s/files/1/0430/7353/6161/files/pogelezexugibaxagud.pdf
- https://cdn.shopify.com/s/files/1/0432/5156/4707/files/lalorisowifadugizawumiwu.pdf
- https://cdn.shopify.com/s/files/1/0440/4314/1285/files/zepininofogaretifib.pdf
- https://cdn.shopify.com/s/files/1/0428/6690/1148/files/63323373299.pdf
- https://cdn.shopify.com/s/files/1/0438/8513/3992/files/fularupitu.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_off00004f20.bin` `5c383a5ee06793ff426cce4935fc6f281156958bd34306ec668000543d15e245`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x4F20	5368 bytes
`font_01_sfnt_off00006133.bin` `1bbc96ee78e6587e31d7ac49240644fc94a9b96036ae77971973c19593e380e8`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x6133	12224 bytes

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