MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious File
T1059.001 PowerShell
The PDF file contains numerous embedded links, with one specifically identified as a malicious redirector. The document body, though partially corrupted, contains text suggesting a lure for a free download of a technical manual. The presence of a malicious redirector indicates an attempt to lead the user to harmful content, likely for further exploitation or malware delivery.
Machine Learning
- Nyx PDF Classifier malicious score 1.0000
Heuristics 5
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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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Image lure linking to an SEO redirector (free-download phishing) high PDF_SEO_UTM_REDIRECTOR_LINKPDF embeds an image with little or no body text and a clickable link to a multi-word utm_term / FeedBurner-proxied SEO redirector — the 'free ebook / solution-manual / document download' phishing family that ranks for natural-language search queries and routes the user into a payload/redirect chain. The PDF carries no exploit; the risk is the linked destination. Flagged structurally (image lure + SEO redirector) so it does not depend on a ClamAV/ML signature, and regardless of how many filler text pages the lure carries.
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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=how+to+use+digital+multimeter+pdf+free+download In PDF document text
- http://files.rubenmfg.com/uploads/1/3/0/8/130814124/jedexumigo.pdfIn PDF document text
- http://files.clearlightastrology.com/uploads/1/3/1/4/131436956/8830642.pdfIn PDF document text
- http://sajunaf.iflightbook.com/uploads/1/3/0/9/130968917/8244d3e21.pdfIn PDF document text
- http://files.clarkforkpantry.com/uploads/1/3/0/9/130969681/1809655.pdfIn PDF document text
- http://files.clansinclair.ca/uploads/1/3/1/1/131163904/7919311.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://www.daltonmaag.com/In PDF document text
- https://cdn.shopify.com/s/files/1/0430/7753/3856/files/topographical_anatomy_of_man.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/7667/1895/files/adder_subtractor_circuit.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/negonarufefozosaburesid.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/4027/6642/files/xejisefuva.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0094/6073/files/51731011183.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/1965/7635/files/functional_programming_language.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0438/2756/0610/files/niwitofutifuwosogazusudum.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/6954/6395/files/counter_strike_source_command.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/6559/0438/files/80623306632.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/2562/9335/files/detur.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/1249/7313/files/butag.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0427/9074/8316/files/vurujavuneju.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
- http://scripts.sil.org/OFLIn 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
Extracted artifacts 4
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00008ebd.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x8EBD | 5296 bytes |
SHA-256: 2e7138d95b6242483d4617d109176deac30eab49094bb3562439a0f63e56b154 |
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font_01_sfnt_off0000a079.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xA079 | 6252 bytes |
SHA-256: 21b234704848fbecab0a56cb0868772fe580bb687489ad2b6fb3f3f80534b503 |
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font_02_sfnt_off0000afa5.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xAFA5 | 10292 bytes |
SHA-256: d372354f91cdfa1b2bf0b2b828895702bebf0445b44b8cdf1131ab2dafe62b4e |
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font_03_sfnt_off0000d2eb.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD2EB | 4324 bytes |
SHA-256: ce7e2e230a41ba6fc2d7d2240890c8289d67876d84a3d076d67c0b48111c8230 |
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