PDF malware analysis — malicious · fcc3ca4f44deccc4

MALICIOUS

PDF

87.2 KB Created: 2020-08-11 00:33:25 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)

MD5: 628033bdd8a96f7cbcbf0d9e95071331 SHA-1: c9d845dd185932bed2a2816ebc125d38fc4e09b0 SHA-256: fcc3ca4f44deccc46de0f3808b792f2a645aec3c44ab8d38e2ca1e5c8c921b89

120 Risk Score

Malware Insights

MITRE ATT&CK

T1566.002 Spearphishing Attachment T1059.001 PowerShell

The PDF contains embedded links that point to a known malicious redirector, ttraff.com. The document body, though heavily obfuscated, contains the URL which is likely intended to trick users into clicking it. The presence of numerous external PDF links, many hosted on Shopify, suggests a link farm or SEO manipulation tactic to increase visibility and traffic to the malicious redirector. No scripts were extracted from this sample.

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=types+of+crop+rotation+pdf
- http://files.jonclausart.com/uploads/1/3/0/9/130969003/papakiwelopobimifi.pdf
- http://files.writeonyouth.com/uploads/1/3/0/7/130776646/8200704.pdf
- http://files.mgwirelessonline.com/uploads/1/3/1/4/131453402/buxesenadegobe.pdf
- http://tezevep.falsefloorcreative.com/uploads/1/3/1/4/131437462/palaparewigug.pdf
- https://cdn.shopify.com/s/files/1/0432/3845/7504/files/59953678405.pdf
- https://cdn.shopify.com/s/files/1/0428/8158/1209/files/kesutevijabanarakagowewo.pdf
- https://cdn.shopify.com/s/files/1/0430/8919/9268/files/dapajimexozebasapar.pdf
- https://cdn.shopify.com/s/files/1/0444/7269/6999/files/kansas_vehicle_bill_of_sale.pdf
- https://cdn.shopify.com/s/files/1/0429/6127/2983/files/sodurikepagiz.pdf
- https://cdn.shopify.com/s/files/1/0438/0783/4272/files/marcelo_tavares_sportsline.pdf
- https://cdn.shopify.com/s/files/1/0434/1510/9794/files/pst_time_zone.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/90442425312.pdf
- https://cdn.shopify.com/s/files/1/0440/7004/3813/files/34022826308.pdf
- https://cdn.shopify.com/s/files/1/0438/6075/4582/files/vajiram_and_ravi_ancient_history_notes.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/kaxoku.pdf
- https://cdn.shopify.com/s/files/1/0428/7699/3702/files/paula_isabel_allende_download.pdf
- https://cdn.shopify.com/s/files/1/0440/8731/2536/files/72665171893.pdf
- https://cdn.shopify.com/s/files/1/0430/4843/5861/files/79136752653.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_off00011053.bin` `96673b6e946db161b4e327e2f2f37b1fb1db1bee6a66c2f35af2fe5a2a7284df`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x11053	5168 bytes
`font_01_sfnt_off00012200.bin` `bc5373ffaf67dd7befdaedcccbad6d3c8de239f61f1f75f9014b1f0f26a191a4`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x12200	14556 bytes

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