PDF malware analysis — malicious · 95b88fe866c541d1

MALICIOUS

PDF

44.2 KB Created: 2020-08-27 21:59:38 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)

MD5: b4f3efb3e67a9d0e4aa8ea98856458f6 SHA-1: 89909c649b8c6f421a2f05bb293e6af5bf42e6ba SHA-256: 95b88fe866c541d1b2efc4e7400afc1ab8b29257bda5de156368b03b5e17a2a3

150 Risk Score

Malware Insights

MITRE ATT&CK

T1566.002 Spearphishing Attachment T1204.002 Malicious Link

The PDF contains a large number of embedded links, many of which point to a redirector service. The primary malicious URL identified is https://ttraff.com/pify?keyword=mrs+funny+bones+book+pdf, which is flagged as a malicious redirector. The document body, though heavily obfuscated, contains references to the same malicious URL and a benign-looking Shopify URL, suggesting a lure to entice users to click through the malicious links. The ML classifier also strongly indicated maliciousness.

Machine Learning

Nyx PDF Classifier malicious score 1.0000

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=mrs+funny+bones+book+pdf
- http://files.fashionspeaks.net/uploads/1/3/0/7/130776054/7955401.pdf
- http://files.costah.net/uploads/1/3/1/3/131384173/gobivi-nidep-xirur.pdf
- http://gusiriz.wilsonpublicationsllc.com/uploads/1/3/1/1/131164250/bikaforejofixad.pdf
- http://files.dragonflyguitarcoaching.com/uploads/1/3/2/6/132680796/46ab8c54f.pdf
- http://files.caddisshackguideservice.com/uploads/1/3/2/6/132695586/4558637.pdf
- https://cdn.shopify.com/s/files/1/0438/0593/3730/files/64909574768.pdf
- https://cdn.shopify.com/s/files/1/0461/8954/3582/files/weritopuxetutij.pdf
- https://cdn.shopify.com/s/files/1/0436/5585/6281/files/convert_to_word_acrobat_7.pdf
- https://cdn.shopify.com/s/files/1/0431/5725/8402/files/14072269603.pdf
- https://cdn.shopify.com/s/files/1/0431/7206/9525/files/76265594062.pdf
- https://cdn.shopify.com/s/files/1/0434/1871/4264/files/manakotudilo.pdf
- https://cdn.shopify.com/s/files/1/0435/3759/6575/files/maxowatupabaramagosi.pdf
- https://cdn.shopify.com/s/files/1/0429/0671/4268/files/bopukawujew.pdf
- https://cdn.shopify.com/s/files/1/0440/9743/7848/files/samajolivu.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/97072231683.pdf
- https://cdn.shopify.com/s/files/1/0434/5564/3813/files/digitech_element_xp_manual.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/viborovikumowenaben.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_off00007008.bin` `e036513df572de4f0bba4f57df91070a6cb5060178abff1608d3933e5891f4b0`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x7008	5104 bytes
`font_01_sfnt_off00008180.bin` `f8462f8fd14cf24f35203df8d79bcf997bd59096fd6f4d290dae29e1e826e0d7`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x8180	10028 bytes

Open this report in the interactive analyzer, or submit your own file for analysis.