PDF malware analysis — malicious · 89f8dd54d2cdbf23

MALICIOUS

PDF

33.2 KB Created: 2020-08-02 13:33:40 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)

MD5: afd34b5a3860ae69ff54ae4c881190ba SHA-1: 14416591461db4f920cb33982be88feac100c38d SHA-256: 89f8dd54d2cdbf231357e2f3290562bea6815e0963a6836a6be3d6f40ab41fb5

150 Risk Score

Malware Insights

MITRE ATT&CK

T1566.002 Spearphishing Attachment T1204.002 Malicious Link

The PDF contains multiple embedded links, with one specifically identified as a malicious redirector. The document body, though partially corrupted, includes text related to a '2000 mercury cougar repair manual pdf' and the malicious URL, suggesting a lure to a phishing or malware distribution site. The heuristic firings confirm the presence of malicious redirector links and a link farm, indicating a coordinated effort to drive traffic to potentially harmful content.

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.ru/pify?keyword=2000+mercury+cougar+repair+manual+pdf
- http://files.mondaymorningpositivity.com/uploads/1/3/0/7/130775279/nonitiji_nexigawo.pdf
- http://files.tylerdiscoverslife.com/uploads/1/3/1/8/131871622/bopukigigo_pabix.pdf
- http://files.alexvietti.com/uploads/1/3/1/3/131384604/6922429.pdf
- https://cdn.shopify.com/s/files/1/0434/5918/2745/files/12122343291.pdf
- https://cdn.shopify.com/s/files/1/0432/6601/5400/files/satyanarayana_swamy_vratham_in_telugu.pdf
- https://cdn.shopify.com/s/files/1/0432/5238/3902/files/depenolunir.pdf
- https://cdn.shopify.com/s/files/1/0435/6780/8667/files/98454803591.pdf
- https://cdn.shopify.com/s/files/1/0436/9966/7099/files/kizalokadozifiji.pdf
- https://cdn.shopify.com/s/files/1/0430/7602/6522/files/lepun.pdf
- https://cdn.shopify.com/s/files/1/0430/0714/8185/files/mini_boxes_cox.pdf
- https://cdn.shopify.com/s/files/1/0431/4349/5841/files/vileg.pdf
- https://cdn.shopify.com/s/files/1/0436/3576/9497/files/96019652826.pdf
- https://cdn.shopify.com/s/files/1/0433/1149/7366/files/tijen.pdf
- https://cdn.shopify.com/s/files/1/0427/8131/1132/files/65458413534.pdf
- https://cdn.shopify.com/s/files/1/0437/3869/3797/files/25692085479.pdf
- https://cdn.shopify.com/s/files/1/0427/8157/3279/files/buwov.pdf
- https://cdn.shopify.com/s/files/1/0431/4313/5393/files/download_video_from_webpage.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_off0000450c.bin` `67e70dbeadb362c7fe751ca595e88ad94abc0eba3fc10ee023f833e689e09c6b`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x450C	5576 bytes
`font_01_sfnt_off000057f6.bin` `6451542c64c26653a4d5edc204b168b5380d8d4917aac238796d360882082963`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x57F6	9400 bytes

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