MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF file contains numerous embedded links, with a critical heuristic identifying a link to known malicious redirector infrastructure. The document body, though partially corrupted, suggests a lure related to 'free invitation templates'. The presence of a link farm heuristic further indicates a malicious intent to distribute links, potentially for phishing or malware distribution.
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=free+invitation+templates+for+50th+birthday
- http://files.awarenessofnothing.com/uploads/1/3/1/6/131606874/vurud.pdf
- http://gitin.drdarrencbrennan.com/uploads/1/3/1/6/131606490/88080cae6e6d.pdf
- http://files.fundamentallysoundbasketball.net/uploads/1/3/2/6/132681954/febatuxutadudebebam.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://cdn.shopify.com/s/files/1/0451/1226/2821/files/android_search_action_bar_tutorial.pdf
- https://cdn.shopify.com/s/files/1/0435/2134/3647/files/62432936169.pdf
- https://cdn.shopify.com/s/files/1/0434/2556/2785/files/42028125794.pdf
- https://cdn.shopify.com/s/files/1/0429/7038/2485/files/6995223747.pdf
- https://cdn.shopify.com/s/files/1/0429/0809/0535/files/96703198509.pdf
- https://cdn.shopify.com/s/files/1/0433/7218/3703/files/zefezadulevezofu.pdf
- https://cdn.shopify.com/s/files/1/0429/4325/0588/files/22021568852.pdf
- https://cdn.shopify.com/s/files/1/0446/2634/6147/files/social_security_tax_withholding_form_w-_4v.pdf
- https://cdn.shopify.com/s/files/1/0437/6576/0151/files/53962027632.pdf
- https://cdn.shopify.com/s/files/1/0436/3055/9390/files/secret_garden_adagio_piano_sheet_music_free.pdf
- https://cdn.shopify.com/s/files/1/0438/6678/3899/files/penikitavulofumiki.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_off000062b2.bine683ee9ce6fcae9702c4f8a3a18af3991a54ecba8302b551e55ec2eb902661ec |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x62B2 | 5804 bytes |
font_01_sfnt_off0000764a.binb64b86a3bee450d2a08315b98c57b8860c5f4c1a75513daf66d4bb86bc5b7e5b |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x764A | 9936 bytes |
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