PDF malware analysis — malicious · e9d820a6188e54be

MALICIOUS

PDF

48.1 KB Created: 2020-08-18 14:47:03 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)

MD5: ba47fd3079595646f153fd1835a1f256 SHA-1: e150d00b95982fc9735a5b3227b14c15e9ed902e SHA-256: e9d820a6188e54becf096ddec55b58f890d85945bec27ba7b6b5379e2937ad6f

150 Risk Score

Malware Insights

MITRE ATT&CK

T1566.002 Spearphishing Attachment T1059.001 PowerShell

The PDF contains a critical heuristic firing for a malicious redirector link, pointing to 'https://ttraff.cc/pify?keyword=lagu+avenged+sevenfold+album+2017'. This indicates an attempt to redirect the user to a malicious site, likely for phishing or malware distribution. The document body, though heavily obfuscated, also contains this URL and other Shopify URLs, suggesting a link farm or content-luring tactic. The ML classifier also strongly flagged this PDF as malicious.

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.cc/pify?keyword=lagu+avenged+sevenfold+album+2017
- http://files.sharadslunchbox.com/uploads/1/3/1/3/131397973/tigib.pdf
- http://files.clevelandpropshop.com/uploads/1/3/0/7/130776401/2940218.pdf
- http://juvara.petitebakery.co.uk/uploads/1/3/1/4/131437987/zukekojukiviluketib.pdf
- http://moxon.eastcentralcasa.com/uploads/1/3/0/7/130776279/dujorokapetovawi.pdf
- https://cdn.shopify.com/s/files/1/0435/5129/3603/files/75492772492.pdf
- https://cdn.shopify.com/s/files/1/0430/2045/1997/files/ninino.pdf
- https://cdn.shopify.com/s/files/1/0438/8087/4139/files/goxegadibobujuganupebiw.pdf
- https://cdn.shopify.com/s/files/1/0430/3477/1610/files/simmons_cribs_parts.pdf
- https://cdn.shopify.com/s/files/1/0430/9575/2864/files/kusujanunasodem.pdf
- https://cdn.shopify.com/s/files/1/0432/4111/1716/files/69443957153.pdf
- https://cdn.shopify.com/s/files/1/0429/8578/3447/files/96040177343.pdf
- https://cdn.shopify.com/s/files/1/0438/4073/3341/files/natetoveroriwovuzu.pdf
- https://cdn.shopify.com/s/files/1/0433/1690/4104/files/59106667719.pdf
- https://cdn.shopify.com/s/files/1/0435/8530/6782/files/jugalapefefofat.pdf
- https://cdn.shopify.com/s/files/1/0433/3476/2664/files/kobori.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 3

Files carved from inside the sample during analysis.

Filename	Kind	Source	Size
`font_00_sfnt_off00006fb2.bin` `259b5fcf40bd8038a03156dfa3a4309db5b25f9316ac5958ef0a6cd8cf70f2aa`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x6FB2	5432 bytes
`font_01_sfnt_off00008228.bin` `d008d24c1b6db7c44ca390c254478a2218ca1b00eca8baa8c48e072c3eafb37f`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x8228	10276 bytes
`font_02_sfnt_off0000a55e.bin` `ff5f0ef16caf3e97cd1984b3a03ea88e11eab8cf63d2ee006085a4b9995833f3`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xA55E	4324 bytes

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