MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains multiple embedded links, with a critical heuristic firing indicating a link to a known malicious redirector. The document body, though heavily obfuscated, appears to reference a '2018 buick encore radio manual', suggesting a lure to entice users to click the malicious link. The PDF also hosts a link farm, further supporting the malicious intent of distributing traffic to potentially harmful sites.
Machine Learning
- Nyx PDF Classifier malicious score 1.0000
Heuristics 4
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PDF links to known malicious redirector infrastructure critical PDF_MALICIOUS_REDIRECTOR_LINKPDF 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.
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Small PDF contains mass external PDF link farm critical PDF_SEO_LINK_FARMSmall 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.
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Object number defined twice with different bodies info PDF_DUPLICATE_OBJ_BODY_INCREMENTALThe same indirect object (N G) is defined more than once with different body bytes. First-wins and last-wins readers will resolve different content, which is a parser-confusion shape used by targeted PDFs. Body-only differences are common in benign incremental updates, so severity is raised only when the duplicate carries active content.
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Embedded URL info EMBEDDED_URLOne 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=2018+buick+encore+radio+manual
- http://files.nicolawilliams.net/uploads/1/3/0/7/130738711/331614.pdf
- http://files.rccxandillness.com/uploads/1/3/0/9/130970004/4448379.pdf
- http://files.matthewjacksonart.com/uploads/1/3/1/4/131438177/wekejolazekupizaz.pdf
- https://cdn.shopify.com/s/files/1/0435/8114/5243/files/47590278119.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/bararilisubolubudikolumo.pdf
- https://cdn.shopify.com/s/files/1/0435/7675/4344/files/bikem.pdf
- https://cdn.shopify.com/s/files/1/0433/0697/5382/files/niwogebenemaz.pdf
- https://cdn.shopify.com/s/files/1/0428/7086/6076/files/63699043645.pdf
- https://cdn.shopify.com/s/files/1/0429/0461/7119/files/mavuparugapo.pdf
- https://cdn.shopify.com/s/files/1/0437/8991/0167/files/87064831619.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/61238086127.pdf
- https://cdn.shopify.com/s/files/1/0432/7053/7374/files/gumulim.pdf
- https://cdn.shopify.com/s/files/1/0434/6321/3209/files/88013385240.pdf
- https://cdn.shopify.com/s/files/1/0428/5153/2963/files/11092083818.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/2128194791.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_off000075bb.bindfb157aaf03a65d97fb00e0324f31f806ec5852687d1b1fda62195230e0b3fe7 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x75BB | 5336 bytes |
font_01_sfnt_off000087a9.binc5401304710e68a791bd5c98f57cc1b8b0f1d06f1c0b906f8f60de323147ccfb |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x87A9 | 10220 bytes |
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