MALICIOUS
204
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
This PDF document contains a large number of embedded links, many of which point to disposable domains and redirector services. The heuristic 'PDF_MALICIOUS_REDIRECTOR_LINK' indicates that at least one URL leads to known malicious infrastructure. The document's content, though heavily obfuscated, appears to be a lure related to 'Zyxel p 600 series modem', likely intended to trick users into clicking the links for SEO manipulation or to deliver further malicious content.
Machine Learning
- Nyx PDF Classifier malicious score 1.0000
Heuristics 6
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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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Small PDF is a non-clustered link farm on disposable hosting medium PDF_SEO_DISPOSABLE_LINK_FARMSmall PDF contains many clickable external PDF links spread thin across many distinct hosts (no single dominant host), corroborated by a utm_term SEO-redirector link and/or links parked on free/disposable content hosts. This is the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains, rather than a normal document citation pattern. The PDF itself carries no exploit — the risk is the linked destinations.
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QR-code redirect lure medium SE_QR_LUREDocument instructs the user to scan a QR code with a phone — consistent with QR phishing, but also common in legitimate documents
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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.club/pify?keyword=zyxel+p+600+series+modem In PDF document text
- http://wagebe.leatherbearproductions.com/uploads/1/3/0/8/130813848/9985006.pdfIn PDF document text
- http://files.hkgoldendragonawards.org/uploads/1/3/1/8/131858419/fegofinajoterame.pdfIn PDF document text
- http://keronoli.weisshockeytalk.com/uploads/1/3/2/6/132695388/7221515.pdfIn PDF document text
- http://files.findingsomethingbeautiful.com/uploads/1/3/0/7/130738765/1624475.pdfIn PDF document text
- http://juxawoli.ve-cosmetics.com/uploads/1/3/1/3/131379205/torilexumipejevoliv.pdfIn PDF document text
- https://site-1040346.mozfiles.com/files/1040346/53332862212.pdfIn PDF document text
- https://site-1039777.mozfiles.com/files/1039777/26673067802.pdfIn PDF document text
- https://site-1039500.mozfiles.com/files/1039500/jipegig.pdfIn PDF document text
- https://site-1037130.mozfiles.com/files/1037130/19011550393.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://uploads.strikinglycdn.com/files/9be9a6d5-0a39-44f8-b042-5fd3c1a18e3d/38532593057.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/008359ff-f74c-4b34-8d75-ae23b32e80f1/79922446949.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/e8331ca7-62ef-42bf-b978-2c04444150e1/sezubalovegekoji.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0493/4418/4474/files/apple_sim_not_supported_under_activation_policy.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0482/8161/6546/files/49867842985.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0478/1644/2015/files/4737410749.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0481/0670/0963/files/nuevo_orden_mundial.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0461/4733/8403/files/4997015494.pdfIn PDF document text
- http://www.w3.org/1999/02/22-rdf-syntax-ns#In PDF document text
- http://purl.org/dc/elements/1.1/In PDF document text
- http://ns.adobe.com/pdf/1.3/In PDF document text
- http://ns.adobe.com/xap/1.0/In PDF document text
- http://ns.adobe.com/xap/1.0/mm/In PDF document text
- http://ns.adobe.com/xap/1.0/rights/In PDF document text
- https://savannah.gnu.org/projects/freefont/In PDF document text
- http://www.gnu.org/licenses/In PDF document text
- http://www.gnu.org/copyleft/gpl.htmlIn PDF document text
- http://scripts.sil.org/OFLIn PDF document text
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000659d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x659D | 6440 bytes |
SHA-256: 629123bfde0685c5f69bbdd27ec008bde0224d5c30af1dabb990f6ee33ea778e |
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font_01_sfnt_off00007591.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7591 | 5320 bytes |
SHA-256: c2d03ccc27f15dccd01fe5897164e7578d392ce40c8f1aca4c8056ed8db85ba8 |
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font_02_sfnt_off000087a4.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x87A4 | 11472 bytes |
SHA-256: e5960e9066d5403a20a1c4ffda92380ed8e9948e158de8b6c1bad56beef558d7 |
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