MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF contains a critical heuristic firing for a malicious redirector link, pointing to 'https://ttraff.me/wix?keyword=free+monthly+calendar+templates+2018'. The document body, though heavily obfuscated, contains similar text, suggesting a lure. The ML classifier also strongly flagged this PDF as malicious. The presence of numerous external PDF links, many pointing to benign content but aggregated in a way that suggests a link farm, further supports the malicious intent.
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.me/wix?keyword=free+monthly+calendar+templates+2018
- https://static.usrfiles.com/ugd/6c032c_048687d702654a16a85b46cc71eed86e.pdf
- https://static.usrfiles.com/ugd/6cf0f5_652b96e965944420a1917bbbea4bd8cc.pdf
- https://static.usrfiles.com/ugd/b8c837_ee07d8dff7c54610bdfb3dfd0d904837.pdf
- https://static.usrfiles.com/ugd/2074c9_dc8f83d563b14a44ab89283c0b286554.pdf
- https://cdn.shopify.com/s/files/1/0435/7583/6840/files/fleischner_society_guidelines_2019.pdf
- https://cdn.shopify.com/s/files/1/0433/7831/1326/files/how_to_get_pokemon_emerald_on_pc.pdf
- https://cdn.shopify.com/s/files/1/0429/4439/7468/files/mulolotevavokanuxi.pdf
- https://cdn.shopify.com/s/files/1/0430/8792/1313/files/57303556850.pdf
- https://cdn.shopify.com/s/files/1/0432/8695/4140/files/fomatedulasudaxazib.pdf
- https://cdn.shopify.com/s/files/1/0440/1473/1429/files/list_of_words_with_silent_letters.pdf
- https://cdn.shopify.com/s/files/1/0431/3733/5464/files/canasta_card_game_rules.pdf
- https://cdn.shopify.com/s/files/1/0432/0110/1985/files/template_voucher_mikrotik_free.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 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00006dac.bin521d8262b6b86e306d643074eea81ed5031af06435ffe95fc41408156232b085 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6DAC | 5628 bytes |
font_01_sfnt_off000080a2.bina57c90a0c50e3187fc4a6b568844bcacf9b8c128eb582a070f1e1f5c2cdf9adb |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x80A2 | 10172 bytes |
font_02_sfnt_off0000a376.binb50a2106bf82917db0cd3cf88f63c5e8cc3298b343ace5cffc591b35df33d24c |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xA376 | 4324 bytes |
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