MALICIOUS
234
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 PDF_MALICIOUS_REDIRECTOR_LINK pointing to 'https://ttraff.cc/pify?keyword=acknowledgement+template+pdf'. Another critical heuristic, PDF_SEO_LINK_FARM, indicates a large number of generated PDF links, suggesting an attempt to manipulate search engine results or distribute content widely. The 'SE_CLIPBOARD_COMMAND_LURE' heuristic suggests the document instructs the user to copy/paste content into a shell, further indicating a malicious intent to trick the user into executing commands.
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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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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Clipboard command execution lure high SE_CLIPBOARD_COMMAND_LUREDocument tells the user to copy or paste clipboard content into Run, PowerShell, cmd, or another shell-like execution context
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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=acknowledgement+template+pdf In PDF document text
- http://files.mtzpbc.org/uploads/1/3/0/9/130969370/bamoduf_jobuseliw_nixadif_suseru.pdfIn PDF document text
- http://files.creesbrothersfarm.com/uploads/1/3/1/3/131381288/c0c8e0bf.pdfIn PDF document text
- http://files.dgvaluations.com.au/uploads/1/3/1/0/131071082/6212540.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/6911/2474/files/radford_syntactic_theory_and_the_structure_of_english.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0439/1193/8216/files/18445392979.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/3765/5193/files/bise_sukkur_9th_result_2020_download.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/3187/8049/files/cost_accounting_definition.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/6599/9511/files/xajobipejugoliduza.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0445/3584/0932/files/i_ching_wilhelm.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0427/4244/8295/files/arris_modem_port_forwarding.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/6200/9755/files/sonijupaxexarug.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/9285/9293/files/72456525032.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/9408/1687/files/almost_is_never_enough_sheet_music_free.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/polonafebomi.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/8016/3227/files/56087654304.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
🗂 Part of campaign:
mtzpbc.org
3 samples
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00009b3b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x9B3B | 2828 bytes |
SHA-256: a17885b4fd577e0298a64705d5055d2ac7c2363fd7008e9cf236b3df412a17d8 |
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font_01_sfnt_off0000a535.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xA535 | 5348 bytes |
SHA-256: 3958566b10feab0d36459899ffbb0c626e26f55d5304be4719a91da61b76ec69 |
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font_02_sfnt_off0000b778.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB778 | 12980 bytes |
SHA-256: 138c8222477bc399e757000e282f71be8f1812b0eb2e8c4841c7f3a01e76b9a8 |
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