PDF malware analysis — malicious · 241df891825971a1

MALICIOUS

PDF

39.7 KB Created: 2020-08-08 17:36:58 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)

MD5: ae982845c212556898f9c7ed88dcd7b0 SHA-1: 2bf91a279f2a3e236e9937bcaecaf2c7efe45d42 SHA-256: 241df891825971a10d315540b4a1929b77a5b835478b6def75f261e0da7b818c

150 Risk Score

Malware Insights

MITRE ATT&CK

T1566.002 Spearphishing Attachment T1204.002 Malicious Link

The PDF contains numerous links, including one to a known malicious redirector at ttraff.com. The document body, though heavily obfuscated, appears to contain the same URL and references to metro maps, suggesting a lure. The presence of a malicious redirector link and the ML classifier's high confidence indicate a high likelihood of this document being used for phishing or malware distribution.

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=delhi+noida+metro+map+pdf
- http://files.1am.ency-education.com/uploads/1/3/1/6/131606407/54865f2d22.pdf
- http://files.mwdcoach.com/uploads/1/3/2/6/132682076/mefewufat_gorafupepe_pogez.pdf
- http://wobozebej.naturalc60.nl/uploads/1/3/1/3/131380600/6349129.pdf
- http://files.secretpriceofhistory.com/uploads/1/3/1/4/131453674/6b6b7f57c.pdf
- https://cdn.shopify.com/s/files/1/0432/9324/5590/files/online_travel_agency_business_plan.pdf
- https://cdn.shopify.com/s/files/1/0437/6556/3541/files/56661135262.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/31906594002.pdf
- https://cdn.shopify.com/s/files/1/0432/9265/5780/files/bamiweduj.pdf
- https://cdn.shopify.com/s/files/1/0438/2290/7554/files/amelie_nothomb_gratuit.pdf
- https://cdn.shopify.com/s/files/1/0430/4060/4313/files/alter_ego_plus_1_guide_pedagogique.pdf
- https://cdn.shopify.com/s/files/1/0430/3929/3593/files/sepse_neonatal_2020.pdf
- https://cdn.shopify.com/s/files/1/0431/4519/9784/files/33122643957.pdf
- https://cdn.shopify.com/s/files/1/0433/7929/4358/files/mogijejififigusimokej.pdf
- https://cdn.shopify.com/s/files/1/0429/4089/1292/files/bloons_tower_defense_3_unblocked.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/xizijifopaxefiz.pdf
- https://cdn.shopify.com/s/files/1/0431/7754/1787/files/futowezatutaket.pdf
- https://cdn.shopify.com/s/files/1/0438/9021/3019/files/93589218826.pdf
- https://cdn.shopify.com/s/files/1/0434/5259/6374/files/96568869991.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_off00005fd7.bin` `9b20a789ae92465b9be486b957a1acbd9ff4c86f112128c91751f1fcd7934346`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x5FD7	5104 bytes
`font_01_sfnt_off00007106.bin` `7130088c3b251e0d582dd7b4c30dd30effc3740a07f509631000b5286c4631b0`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x7106	9636 bytes

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