PDF malware analysis — malicious · 31d9daf38ae28e3e

MALICIOUS

PDF

45.0 KB Created: 2020-08-01 05:04:20 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)

MD5: 5cd44f3faf0884d7da1f2862e016f149 SHA-1: 8056cae0f7ebc64e362dc04fc9cc3f14f2c236bf SHA-256: 31d9daf38ae28e3ec09921071455a8397f78cef80dbcb7549fdcba06c94fdfad

120 Risk Score

Malware Insights

MITRE ATT&CK

T1566.002 Spearphishing Attachment T1204.002 Malicious Link

The PDF contains a large number of embedded links, with a critical heuristic firing indicating a 'PDF_SEO_LINK_FARM'. One of these links, 'https://ttraff.com/pify?keyword=2nd+edition+d%2526+d', is flagged as a malicious redirector. The document body contains garbled text but includes the same URL, suggesting it is the primary lure. The presence of numerous links, including the malicious redirector, indicates an attempt to drive traffic to potentially harmful sites.

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=2nd+edition+d%2526+d
- http://files.dixielandbulldogges.net/uploads/1/3/1/3/131383889/062cdaaf2a7.pdf
- http://files.jaxcpaa.com/uploads/1/3/1/0/131069870/cfcff.pdf
- http://files.skippysfrenchtoast.com/uploads/1/3/0/7/130775734/rijepidokasewama.pdf
- http://files.sarabrownart.com/uploads/1/3/1/6/131637374/07f7ee0736ec26.pdf
- http://files.skippys
- https://cdn.shopify.com/s/files/1/0438/4253/5581/files/8141515468.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/mobisibat.pdf
- https://cdn.shopify.com/s/files/1/0438/2579/1138/files/50248808522.pdf
- https://cdn.shopify.com/s/files/1/0439/0679/3627/files/67805601094.pdf
- https://cdn.shopify.com/s/files/1/0433/0625/4504/files/kafejowido.pdf
- https://cdn.shopify.com/s/files/1/0433/0710/6462/files/jojoni.pdf
- https://cdn.shopify.com/s/files/1/0433/9171/3447/files/2829324328.pdf
- https://cdn.shopify.com/s/files/1/0437/0654/8377/files/matlab_cube_root.pdf
- https://cdn.shopify.com/s/files/1/0429/7247/9647/files/35729920915.pdf
- https://cdn.shopify.com/s/files/1/0431/7039/8372/files/ludogebezigikezugejowinoz.pdf
- https://cdn.shopify.com/s/files/1/0432/6785/0390/files/sagilaxabeweresever.pdf
- https://cdn.shopify.com/s/files/1/0436/4235/5865/files/farezopinajusilavuxor.pdf
- https://cdn.shopify.com/s/files/1/0432/7152/0409/files/91826906734.pdf
- https://cdn.shopify.com/s/files/1/0434/7520/6294/files/11662129354.pdf
- https://cdn.shopify.com/s/files/1/0437/0500/8293/files/91359455585.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_off000073be.bin` `54342b4bc76722b991f09d421965c1615461851455d7b7bff7cb1a54cf5e54d5`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x73BE	4340 bytes
`font_01_sfnt_off00008294.bin` `b7e3601633387a065f1541cc18204d9aef831f60121a7308669434701df493d7`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x8294	10548 bytes

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