MALICIOUS
214
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
T1204.001 Malicious Link
The PDF contains a malicious redirector link (ttraff.cc) and a large number of embedded links, indicating a link farm strategy. The document body, though heavily obfuscated, contains text fragments and the malicious URL, suggesting a lure for callback phishing or a tech-support scam. The presence of a malicious redirector strongly suggests the intent is to lead the user to a site that will likely host further malicious content or phishing pages.
Machine Learning
- Nyx PDF Classifier malicious score 0.9999
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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Callback phishing phone lure medium SE_CALLBACK_LUREDocument asks the user to call a phone number in billing, refund, subscription, fraud, or security context — consistent with callback phishing or tech-support scam patterns. Suppressed for legitimate-issuer (IRS/gov/official-form) or Microsoft license-boilerplate documents that carry no urgency or charge/dispute escalation.
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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/wix?keyword=a+student+poured+a+solution+of+bromo In PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://www.daltonmaag.com/In PDF document text
- https://cdn.shopify.com/s/files/1/0429/5272/0543/files/fagapaxodaziba.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0439/8995/8814/files/detiz.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/4815/7859/files/communication_commands_in_linux.pdfIn PDF document text
- https://static.usrfiles.com/ugd/2c608b_95b23d8922f241e0be8f83f956bdb087.pdfIn PDF document text
- https://static.usrfiles.com/ugd/b98abb_72cd5335c9b545b1a8df691538be0e6d.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0440/3838/9925/files/51505120987.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/9130/4343/files/php_simple_file_upload.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/7482/2043/files/xelemamafejimurasubop.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0466/7709/8661/files/chat_room_website_template_free.pdfIn PDF document text
- https://static.usrfiles.com/ugd/5ad03d_8fffabc1e0854109935df8979efaa650.pdfIn PDF document text
- https://static.usrfiles.com/ugd/b8c837_1f7374e4ddc74456af9432fd1a30e279.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
- http://dejavu.sourceforge.netIn PDF document text
- http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text
Extracted artifacts 4
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00014e90.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x14E90 | 5200 bytes |
SHA-256: 5dabbc3c6a0c2a1c73ec5082d2e496e434ad7a7c7d6a7c570d33a5650bd49da2 |
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font_01_sfnt_off0001600d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1600D | 10824 bytes |
SHA-256: bee62bf579f3230d16bfcadf3aa53d6ad368326e2dd4eca9c38042042ea2a17e |
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font_02_sfnt_off0001855b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1855B | 16100 bytes |
SHA-256: f4f5fb0209a4714c3cbdfe9b8e29dbdabffe5d2cbe58e8cc741460ff97ba63ed |
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font_03_sfnt_off00019a25.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x19A25 | 4324 bytes |
SHA-256: 1158d95dac44631f497756703988ba3645251422e7ff0015d3fca430225e7c3e |
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