PDF malware analysis — malicious · 9cabe1388c36ea58

MALICIOUS

PDF

45.2 KB Created: 2020-08-15 07:36:35 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)

MD5: 57ff6dd3cc9972c0c701ece5c65f9ca1 SHA-1: 18816e9d9297e83a7f6d149b53f65fb442b2f1ae SHA-256: 9cabe1388c36ea58e2b4ee0e851798b772921f7df333822dc877adaa90aa1f68

160 Risk Score

Malware Insights

MITRE ATT&CK

T1566.002 Spearphishing Attachment T1059.001 PowerShell T1204.002 Malicious Link

The PDF contains a critical heuristic firing for a malicious redirector link pointing to 'ttraff.com', which is further associated with a link farm heuristic. The document body, though heavily obfuscated, contains a reference to 'autocad 2019 xforce keygen 64 bit' and the malicious URL. The presence of a security bypass instruction suggests an attempt to prevent detection. The primary attack vector appears to be a lure for software keygens, directing users to potentially malicious sites.

Heuristics 4

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.
Security software disable instruction high SE_SECURITY_BYPASS

Document instructs the user to disable antivirus or security software — unusual for ordinary documents and high-risk in an unsolicited file
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=autocad+2019+xforce+keygen+64+bit
- http://xatekovew.sandpointstakecommunications.com/uploads/1/3/1/4/131407406/fefopu-naratafuzu-wubepamalav.pdf
- http://files.ajaanimations.com/uploads/1/3/1/6/131606874/bivufoganeruveko.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/lavijado.pdf
- https://cdn.shopify.com/s/files/1/0438/1668/1629/files/jeroze.pdf
- https://cdn.shopify.com/s/files/1/0430/7589/5447/files/viginozo.pdf
- https://cdn.shopify.com/s/files/1/0430/2969/2577/files/kagizelokopase.pdf
- https://cdn.shopify.com/s/files/1/0429/5376/9126/files/31368122571.pdf
- https://cdn.shopify.com/s/files/1/0431/1190/7488/files/38649859981.pdf
- https://cdn.shopify.com/s/files/1/0440/6162/2437/files/29983234497.pdf
- https://cdn.shopify.com/s/files/1/0431/9143/5422/files/jasimelezubo.pdf
- https://cdn.shopify.com/s/files/1/0433/6825/1548/files/beauty_and_the_beast_musical_full_script.pdf
- https://cdn.shopify.com/s/files/1/0434/6016/5797/files/89429955124.pdf
- https://cdn.shopify.com/s/files/1/0428/2885/7503/files/21214369147.pdf
- https://cdn.shopify.com/s/files/1/0430/3850/7169/files/35021096455.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_off0000666b.bin` `23a833d4a4d09309ead82572c6628557a2e8fdfbe2b0df21afb1f397dcd0bfa3`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x666B	6068 bytes
`font_01_sfnt_off00007b2a.bin` `7e70b64a22bda6aed831e2e49275dbdb1509d1d5876d5e1060cd4d3e33212f34`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x7B2A	14408 bytes

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