MALICIOUS
242
Risk Score
Malware Insights
MITRE ATT&CK
T1059.001 PowerShell
T1204.002 Malicious Link
The PDF contains a lure for a 'PDF password cracker' and includes numerous links, many pointing to a link farm. One critical finding indicates a link to known malicious redirector infrastructure at 'https://ttraff.ru/pify?keyword=pdf+password+cracker'. The presence of a 'Password-protected archive handoff' heuristic suggests the document is designed to trick users into downloading an encrypted file, likely containing malware, after providing a password. The document body contains obfuscated text but does include the malicious URL and a benign-looking Shopify URL.
Machine Learning
- Nyx PDF Classifier malicious score 1.0000
Heuristics 7
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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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Password-protected archive handoff high SE_PASSWORD_ARCHIVE_LUREDocument gives password instructions for an archive or attachment — often used to keep payloads encrypted until after gateway scanning
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Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTONDocument contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
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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=pdf+password+cracker In PDF document text
- http://files.nokomispl.org/uploads/1/3/1/1/131164504/536f264d6e78b.pdfIn PDF document text
- http://files.ogepta.org/uploads/1/3/1/4/131452959/sodaziwoso.pdfIn PDF document text
- http://files.herbalbeautysoap.com/uploads/1/3/0/7/130775518/juwudofabugeti.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/1/0433/0386/2440/files/autodata_diagnostic_trouble_codes.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/90841244024.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/8580/7269/files/astm_b117_standard_free_download.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0032/3478/files/pharmacology_mnemonics_free_download.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/8352/1445/files/already_home_a_great_big_world_piano_sheet_music.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/0513/2456/files/27681916999.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/1812/5465/files/usa_map_hd.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/0057/8723/files/rivijazusa.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/3728/6812/files/lijifidodozafop.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/4976/3487/files/masojif.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0438/4528/8093/files/77058916719.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
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00006125.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6125 | 5272 bytes |
SHA-256: 6d74f97313c9a79081caab11c6af1685054c035d79e9d7865e24c9971b4dbe28 |
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font_01_sfnt_off0000733e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x733E | 10360 bytes |
SHA-256: ec81fd47da8cd6844bbfc7e652f58bc8527f0e70c187b74486bd780c37a9ef1c |
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