MALICIOUS
212
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains numerous links to external websites, with one identified as a malicious redirector. The heuristic firings indicate a PDF link farm and a critical ClamAV detection for Pdf.Phishing.Trojan. The document body, though heavily corrupted, contains text related to 'free printable addition worksheets for preschoolers', suggesting a lure to disguise malicious activity. The embedded URLs are likely used to download further malicious content or redirect to phishing sites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9605
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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ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
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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://ggtraff.ru/aws?utm_term=free+printable+addition+worksheets+for+preschoolers
- https://wozagadukuwa.weebly.com/uploads/1/3/4/4/134483903/8113400.pdf
- https://cdn-cms.f-static.net/uploads/4393356/normal_5f97a5b0b3a3e.pdf
- https://winomumamo.weebly.com/uploads/1/3/1/0/131070375/8a3a7d01008d78.pdf
- https://cdn-cms.f-static.net/uploads/4375344/normal_5f8e9ae6526b1.pdf
- https://cdn-cms.f-static.net/uploads/4420597/normal_5fa4743d64806.pdf
- https://fibuwuvonej.weebly.com/uploads/1/3/4/2/134265895/balibunoda-wipera.pdf
- https://fetarulezi.weebly.com/uploads/1/3/4/4/134487317/tozewud-vedebiviv-povix-keruxanejo.pdf
- https://cdn-cms.f-static.net/uploads/4365542/normal_5f9069bba3928.pdf
- https://cdn-cms.f-static.net/uploads/4368951/normal_5f8b6609882a5.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://uploads.strikinglycdn.com/files/ce67f628-637e-4c1b-a3ec-1bd32dc85a6a/bipiperuwowovokenuv.pdf
- https://uploads.strikinglycdn.com/files/4ce0fe55-246f-4843-a925-863fc63276cc/xikamoroxojilofubufi.pdf
- https://uploads.strikinglycdn.com/files/75efcff6-4293-4c47-a20b-e43dcf6af9b2/rofodakosot.pdf
- https://s3.amazonaws.com/bofake/56050468736.pdf
- https://uploads.strikinglycdn.com/files/da39a67e-8c83-4e93-a855-a4be127943d2/dr_seuss_games_for_preschoolers.pdf
- https://uploads.strikinglycdn.com/files/e3a087a8-288c-4eff-a693-6559710a3168/tajogezopipu.pdf
- https://uploads.strikinglycdn.com/files/cffdbb57-f19a-4021-b475-51076c3d7533/the_fascinating_girl.pdf
- https://uploads.strikinglycdn.com/files/4f67c8ff-ea88-4a93-ae76-cc8a97bda080/67145290123.pdf
- https://s3.amazonaws.com/sakaburepagase/18265924447.pdf
- http://scripts.sil.org/OFL
Extracted artifacts 1
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000d380.bin216f9faea4bc76acfda91e140c8804557df0797ed76b7bf933210670d056e816 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD380 | 5496 bytes |
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