MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
T1204.002 Malicious Link
The PDF contains a mass external link farm, with a critical heuristic firing for a malicious redirector. The primary malicious URL is https://ttraff.ru/pify?keyword=2020+calendar+printable+pdf+weekly, which is likely used to deliver a secondary payload. The document body itself contains obfuscated text and the malicious URL, further indicating its intent to lure the user to a harmful site.
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.ru/pify?keyword=2020+calendar+printable+pdf+weekly
- http://files.ibew23.org/uploads/1/3/0/7/130775952/491866.pdf
- https://cdn.shopify.com/s/files/1/0429/8558/6849/files/xepodisajosoripofelorab.pdf
- https://cdn.shopify.com/s/files/1/0431/8547/1656/files/la_revolucion_nacionalista_de_1944.pdf
- https://cdn.shopify.com/s/files/1/0436/2820/0096/files/la_amistad_castigada.pdf
- https://cdn.shopify.com/s/files/1/0432/5218/7298/files/physical_science_grade_11_study_guides_caps.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/65233410578.pdf
- https://cdn.shopify.com/s/files/1/0432/0935/9520/files/82485357039.pdf
- https://cdn.shopify.com/s/files/1/0433/2870/0571/files/trumpet_voluntary_noten.pdf
- https://cdn.shopify.com/s/files/1/0430/7720/6178/files/mathematical_models_of_communication_channel.pdf
- https://cdn.shopify.com/s/files/1/0433/0278/1083/files/dinotevebegugitiwukatu.pdf
- https://cdn.shopify.com/s/files/1/0432/1925/5454/files/binomische_formeln_rckwrts_bungen.pdf
- https://cdn.shopify.com/s/files/1/0433/3902/2485/files/shingeki_no_kyojin_torrent.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/
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00006b50.bin6b6b25448a4339c2ae6d2e52c55a6c785fb32b360f557aeff51a80c2bbe8a350 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6B50 | 5548 bytes |
font_01_sfnt_off00007e3f.bine57c13e26f659abc8e707777b866427ad91f40671ea345881eb91c54f438c3f6 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7E3F | 10380 bytes |
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