MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF contains a large number of embedded links, many of which point to a redirector service known to host malicious content. The ML classifier also strongly indicated maliciousness. The document body text, though partially corrupted, contains keywords related to the embedded URLs, suggesting a lure to a link farm designed for SEO manipulation and potential malware distribution. No scripts were extracted, but the primary attack vector appears to be the malicious redirection via embedded links.
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/wb?keyword=sheet%20metal%20pattern%20drafting%20and%20shop%20problems%20pdf
- http://files.27waterfallsshoreexcursion.com/uploads/1/3/0/7/130739779/rizibijis_potikugopom_jedigu_mojon.pdf
- http://raforelo.motivationalcheck.com/uploads/1/3/2/7/132710621/ritovalegedagika.pdf
- http://fofoka.armaeroconsultants.com/uploads/1/3/2/6/132681579/tabesu_binuweva.pdf
- https://cdn.shopify.com/s/files/1/0435/6934/8763/files/65250225336.pdf
- https://cdn.shopify.com/s/files/1/0431/9592/4637/files/98964646831.pdf
- https://cdn.shopify.com/s/files/1/0435/1649/3976/files/lakimixebatek.pdf
- https://cdn.shopify.com/s/files/1/0431/7921/2960/files/st_thomas_weather.pdf
- https://cdn.shopify.com/s/files/1/0429/7395/4204/files/fopoka.pdf
- https://cdn.shopify.com/s/files/1/0429/9633/4753/files/69226765305.pdf
- https://cdn.shopify.com/s/files/1/0432/7096/3350/files/paripurupoladukejikumebon.pdf
- https://cdn.shopify.com/s/files/1/0434/8549/5453/files/99235681900.pdf
- https://cdn.shopify.com/s/files/1/0431/5529/2321/files/dobowiruzuximup.pdf
- https://cdn.shopify.com/s/files/1/0433/1533/1227/files/fawojasoxubipajojuluwo.pdf
- https://cdn.shopify.com/s/files/1/0439/9661/0718/files/paraxonebeseburosawuguju.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_off000052ca.bin426494d87325d2868c7638654cbc84b9826874acf5e8cd2cfb77800c60eb9490 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x52CA | 5696 bytes |
font_01_sfnt_off000065f1.binaf64192c530d358ae1d3cb4a902c4d1514a16393b236c5e50d25b1b0107fc5f7 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x65F1 | 9976 bytes |
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