MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains a large number of embedded links, many of which point to a redirector service known for malicious activity. The document body, though heavily obfuscated, contains a URL that appears to be a lure for downloading a manual, which is likely a pretext to drive traffic to malicious infrastructure. The ML classifier also strongly indicated maliciousness.
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=architectural+drafting+manual+pdf
- http://files.newhavenluxuryapartments.com/uploads/1/3/0/7/130740022/478604.pdf
- http://files.playfullyrigorous.com/uploads/1/3/1/8/131856569/4936610.pdf
- http://files.peoplefollowingjesusworldwide.org/uploads/1/3/1/3/131383889/a93da8664193.pdf
- http://files.khasy.com/uploads/1/3/0/7/130740249/2393383.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://cdn.shopify.com/s/files/1/0434/2792/2076/files/38539486617.pdf
- https://cdn.shopify.com/s/files/1/0432/5713/5257/files/51749226676.pdf
- https://cdn.shopify.com/s/files/1/0429/8512/8090/files/35111683203.pdf
- https://cdn.shopify.com/s/files/1/0440/8508/4310/files/john_deere_l_130_manual.pdf
- https://cdn.shopify.com/s/files/1/0433/5108/1118/files/bavukegeviza.pdf
- https://cdn.shopify.com/s/files/1/0428/3367/4396/files/tafixal.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/dejotoxirebogoro.pdf
- https://cdn.shopify.com/s/files/1/0432/3622/9278/files/lizatujebefe.pdf
- https://cdn.shopify.com/s/files/1/0429/0933/5715/files/malidupilisenibomedetur.pdf
- https://cdn.shopify.com/s/files/1/0431/5820/8674/files/gifob.pdf
- https://cdn.shopify.com/s/files/1/0435/2147/4714/files/usps_postage_rates_2020_chart.pdf
- https://cdn.shopify.com/s/files/1/0428/0342/9535/files/66618646229.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/
- http://scripts.sil.org/OFL
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off000063bc.bin51ada4919f39723d8d71e4a9ed7e0a2c4e0944b27badd3264b3f9d772707c8f8 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x63BC | 5380 bytes |
font_01_sfnt_off000075e2.bin9839a4dc6a005380d4bc9ea7a7aece77ede97f5a5f77a7c0bf905f19fa8bfa61 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x75E2 | 9564 bytes |
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