PDF malware analysis — malicious · 41f6fad73e9f5c42

MALICIOUS

PDF

46.4 KB Created: 2020-08-30 09:11:13 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)

MD5: 55312d9b3e18dd5576695cb682b8f225 SHA-1: 7a0ee0e404f9ced0c6695bc9c3092ea5d07cc72c SHA-256: 41f6fad73e9f5c424222cbbf2c6f266b68701c2ea6be558fc61f31db9420a686

120 Risk Score

Malware Insights

MITRE ATT&CK

T1566.002 Spearphishing Attachment T1204.002 Malicious Link

The PDF file contains numerous embedded links, with a critical heuristic identifying a link to a known malicious redirector. The document body, though partially corrupted, contains text related to 'how to get keys in terraria' and the malicious URL, suggesting a lure to a phishing or malware distribution site. The presence of a link farm further supports a malicious intent to redirect 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/wix?keyword=how+to+get+keys+in+terraria
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/vunazazaxukatokezidabu.pdf
- https://cdn.shopify.com/s/files/1/0438/6160/6565/files/43887117919.pdf
- https://cdn.shopify.com/s/files/1/0437/7798/2626/files/newixegusugesafopirepam.pdf
- https://cdn.shopify.com/s/files/1/0429/7195/5351/files/7911082055.pdf
- https://cdn.shopify.com/s/files/1/0429/5147/5351/files/cetusplay_receiver_apk_pure.pdf
- https://static.usrfiles.com/ugd/b8c837_463de93d2f4c4289be6300a96b299f5c.pdf
- https://static.usrfiles.com/ugd/b8c837_eab64c9ed9e54033973e97e9cf7650f1.pdf
- https://static.usrfiles.com/ugd/b8c837_847af44f1b3546cfb31964275fee38e1.pdf
- https://static.usrfiles.com/ugd/10e3af_d7d3fbb2bdea4dec96df8d82dd37086d.pdf
- https://static.usrfiles.com/ugd/b8c837_44d2ecd20a9a48af80ae3d635c01b2a8.pdf
- https://static.usrfiles.com/ugd/b8c837_841d7999e8ec4fa0a094d048a8089940.pdf
- https://static.usrfiles.com/ugd/b8c837_8800f48600f345069d2bbca9e13aedf9.pdf
- https://static.usrfiles.com/ugd/b8c837_d60ebab9554d4247b20a0034793baf23.pdf
- https://static.usrfiles.com/ugd/b8c837_9bcc5f2c98884778aaea515996663cd5.pdf
- https://static.usrfiles.com/ugd/ae059d_f249e9d46b2c451a8ef2931ddcd769b6.pdf
- https://static.usrfiles.com/ugd/6c032c_508519cfec464eb6a29cf49d7436ba61.pdf
- https://static.usrfiles.com/ugd/b8c837_0a71ef40ea9d49809e09974973cf19bb.pdf
- https://static.usrfiles.com/ugd/158fb9_cf2b389cf0314c4fa198f24793d91449.pdf
- https://static.usrfiles.com/ugd/b8c837_01abae187c814641bd7c5b67a3d3278f.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_off000077a0.bin` `9576b70c754b4277a6b84653f3f7e8d3cd95ca5a91d11a4d7a0e151bf986eaf1`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x77A0	5040 bytes
`font_01_sfnt_off000088ec.bin` `fc8723c53a2e0d38afe22ca7a9fdceb3b5c21fdc8dfb31cf33076eb96b4c55d8`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x88EC	10520 bytes

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