PDF malware analysis — malicious · cd1ea4d5b19beb55

MALICIOUS

PDF

41.2 KB Created: 2020-08-08 02:19:58 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)

MD5: 5e01d1ae2bd7aebbf8092b162f091a78 SHA-1: 7a378bea5d41cab0533f275e15203a8382c5f1a8 SHA-256: cd1ea4d5b19beb55be3c91cbe254a85f5389890a59c777cf45f7338bf21cb3c1

120 Risk Score

Malware Insights

MITRE ATT&CK

T1566.002 Spearphishing Attachment T1204.002 Malicious Link

The PDF file contains a large number of embedded links, many of which point to a known malicious redirector infrastructure. The document body, though heavily obfuscated, contains text related to a 'July 2020 calendar canada pdf' and a URL that appears to be a lure. The primary malicious activity observed is the redirection to a potentially harmful website via these embedded links.

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.ru/pify?keyword=july+2020+calendar+canada+pdf
- http://files.accessibleacres.org/uploads/1/3/1/4/131410370/zubupudowa-xarazadunilaw-varikele-folavulajiv.pdf
- http://files.fiestaomaha.com/uploads/1/3/0/9/130969140/tiwosojejowibixija.pdf
- http://tuxanit.emmawhiteactress.com/uploads/1/3/1/3/131383283/telunigo_witofobiwo_pameruridi_maxifomokorom.pdf
- http://files.threecookingsisters.com/uploads/1/3/0/7/130776462/d0734dca1f9.pdf
- https://cdn.shopify.com/s/files/1/0435/8782/9928/files/tennis_elbow_exercises_nhs.pdf
- https://cdn.shopify.com/s/files/1/0431/7167/6314/files/37911780212.pdf
- https://cdn.shopify.com/s/files/1/0432/8875/6384/files/rujisatamozazopijot.pdf
- https://cdn.shopify.com/s/files/1/0428/9508/1625/files/91114076695.pdf
- https://cdn.shopify.com/s/files/1/0431/7141/4173/files/palladium_rifts.pdf
- https://cdn.shopify.com/s/files/1/0435/9651/3448/files/11933347940.pdf
- https://cdn.shopify.com/s/files/1/0438/5823/1461/files/72768490546.pdf
- https://cdn.shopify.com/s/files/1/0433/3902/2485/files/jelajolulovozug.pdf
- https://cdn.shopify.com/s/files/1/0430/0675/4970/files/lipuxekojodesa.pdf
- https://cdn.shopify.com/s/files/1/0428/9029/7503/files/leluwofaxawo.pdf
- https://cdn.shopify.com/s/files/1/0428/1873/2191/files/46328800195.pdf
- https://cdn.shopify.com/s/files/1/0438/2870/7478/files/bayesian_neural_network.pdf
- https://cdn.shopify.com/s/files/1/0437/7047/8746/files/57799749823.pdf
- https://cdn.shopify.com/s/files/1/0437/5815/7982/files/92452198814.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/
- https://cdn.shopify.com/s/files/1/0438/2870/7478/files/bayesian_neural_netw

Extracted artifacts 2

Files carved from inside the sample during analysis.

Filename	Kind	Source	Size
`font_00_sfnt_off0000620d.bin` `b572a1f07d8a3ea6914ca0b76b109d8fed5a520d59f1a5ea34fb6570f986b028`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x620D	5336 bytes
`font_01_sfnt_off0000744f.bin` `ea2aead6d435eadca2d21dc3466ce17eb9a228e5b5125645a1dd50598644dffb`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x744F	10540 bytes

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