MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious File
The PDF contains a large number of embedded URLs, with one specifically identified as a malicious redirector. The heuristic 'PDF_SEO_LINK_FARM' indicates a mass external PDF link farm, suggesting an attempt to manipulate search results or distribute further malicious content. The ML classifier strongly supports the malicious verdict.
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.com/pify?keyword=smoke+detector+notifier+882+pdf
- http://files.marcvandewardt.com/uploads/1/3/1/3/131379732/64cd23b0f.pdf
- http://files.rinatschnadower.com/uploads/1/3/1/8/131871705/doweb.pdf
- http://files.connect2compass.com/uploads/1/3/1/4/131438718/9425754.pdf
- http://files.thecompasslineak.com/uploads/1/3/0/8/130813696/adef186.pdf
- http://tamamenus.theparentcompass.com/uploads/1/3/0/8/130814423/7658786.pdf
- https://cdn.shopify.com/s/files/1/0428/5281/0911/files/peposuwukos.pdf
- https://cdn.shopify.com/s/files/1/0435/4460/8932/files/zaxezenigoti.pdf
- https://cdn.shopify.com/s/files/1/0429/1022/0447/files/4946403833.pdf
- https://cdn.shopify.com/s/files/1/0437/8610/9086/files/test_your_business_vocabulary_in_use_advanced_download.pdf
- https://cdn.shopify.com/s/files/1/0432/6971/8182/files/archie_vs_predator.pdf
- https://cdn.shopify.com/s/files/1/0428/7715/7542/files/xigonufivubojenukup.pdf
- https://cdn.shopify.com/s/files/1/0432/9524/4452/files/96592000340.pdf
- https://cdn.shopify.com/s/files/1/0438/7173/1880/files/kikofesibavasezegif.pdf
- https://cdn.shopify.com/s/files/1/0427/9179/6902/files/86471818832.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/vidabuvuwegorowomilamum.pdf
- https://cdn.shopify.com/s/files/1/0428/5664/4774/files/nexus_5x_boot_loop_fix.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_off0000645e.binf39d237797fa652ce9fde4ba65bb2dfdbd0172c00bd9ca05b0b110ccbf6c3b6f |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x645E | 5372 bytes |
font_01_sfnt_off000076a0.bin3961553171c3b49ffce8069cef77b31db8393d14f28a93218caf6b1cbda87ce6 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x76A0 | 10532 bytes |
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