PDF malware analysis — malicious · fd9529aec1125054

MALICIOUS

PDF

46.1 KB Created: 2020-07-30 00:59:14 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)

MD5: 7999e68960342e6c80ef5844bc9fe2a1 SHA-1: 5715bc8aeb89898c6ee107e23f838cb37d6eb006 SHA-256: fd9529aec1125054601696881c063d66e19a45aab3faad659b042f8e92bfdd97

120 Risk Score

Malware Insights

MITRE ATT&CK

T1566.002 Spearphishing Attachment T1204.002 Malicious Link

The PDF file contains a critical heuristic firing for a malicious redirector link, pointing to ttraff.com. The document body, though heavily obfuscated, contains text related to 'Canterbury tales character analysis pdf', suggesting a lure to disguise the malicious intent. The file also exhibits a PDF link farm heuristic, indicating a large number of outbound links, many of which are to benign Shopify domains, but the primary redirector is malicious.

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=canterbury+tales+character+analysis+pdf
- http://files.millbrookrotarydirectory.com/uploads/1/3/0/7/130775846/d99ea.pdf
- http://files.musicfromthewestcoast.com/uploads/1/3/1/1/131164474/64c2ea2c8e.pdf
- http://files.rctutor.org/uploads/1/3/2/6/132683330/fopozazobijesalatu.pdf
- http://files.milwaukeetoireland.com/uploads/1/3/0/7/130739928/59df02292639048.pdf
- http://files.musicfromthewestcoast.com/uploads/1/3/
- https://cdn.shopify.com/s/files/1/0433/5920/7592/files/86432229511.pdf
- https://cdn.shopify.com/s/files/1/0434/5564/3813/files/45703700524.pdf
- https://cdn.shopify.com/s/files/1/0433/2313/0009/files/1321832290.pdf
- https://cdn.shopify.com/s/files/1/0430/9975/0560/files/wilisiwasugomoxipojuge.pdf
- https://cdn.shopify.com/s/files/1/0427/9202/6271/files/bununepub.pdf
- https://cdn.shopify.com/s/files/1/0434/1065/3338/files/xutawenuwosivefinenu.pdf
- https://cdn.shopify.com/s/files/1/0428/9468/8423/files/46077835489.pdf
- https://cdn.shopify.com/s/files/1/0434/2045/0972/files/jawaputumive.pdf
- https://cdn.shopify.com/s/files/1/0431/5077/0333/files/90322471812.pdf
- https://cdn.shopify.com/s/files/1/0434/0737/6546/files/87607655781.pdf
- https://cdn.shopify.com/s/files/1/0432/6411/4843/files/52282393813.pdf
- https://cdn.shopify.com/s/files/1/0432/1817/4107/files/157506206.pdf
- https://cdn.shopify.com/s/files/1/0435/3051/8682/files/87777429218.pdf
- https://cdn.shopify.com/s/files/1/0438/0862/0701/files/zagixifofepe.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_off0000773c.bin` `5d33c44b34a8643d955bbb25e689f89e1276866ccba07c5a729553deb6fa96b5`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x773C	5280 bytes
`font_01_sfnt_off00008923.bin` `0713b3c9d393016720ae5d6dfed5e3a648f8951c105ec7249500d7b590b26c86`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x8923	9864 bytes

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