MALICIOUS
194
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.cc/pify?keyword=simple+biochemistry+book+pdf, which likely serves as a lure to download further malicious content. The document body, though heavily obfuscated, contains references to the lure and the malicious URL, reinforcing the phishing attempt.
Machine Learning
- Nyx PDF Classifier malicious score 1.0000
Heuristics 5
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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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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=simple+biochemistry+book+pdf In PDF document text
- http://files.atxfashionbydesign.com/uploads/1/3/0/7/130739093/boletivivefu-nejig.pdfIn PDF document text
- http://files.restorationmassagebydiana.com/uploads/1/3/1/4/131453106/linuvepomoge_wunexunoresotu_bakiwigolijoge_lijutotoxal.pdfIn PDF document text
- http://wepawi.ebenezerconyers.com/uploads/1/3/2/6/132682883/c6aaf1e4004.pdfIn PDF document text
- http://files.donandmargieabroard.com/uploads/1/3/1/0/131071076/f2b818fc74ed0.pdfIn PDF document text
- http://files.danielkellyfilm.com/uploads/1/3/1/1/131163666/e318ce5086688.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/1/0434/5842/9078/files/4420354438.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0438/2998/5430/files/dokowirolimuxafupowabof.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/6292/7253/files/94457983990.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0438/0937/4365/files/wifexiregegadatokomoj.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/53059057271.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/8673/1671/files/14979118673.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/0921/1557/files/nexami.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0440/8298/7158/files/brother_hl-_l6200dw_driver.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/0753/1414/files/26843520212.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/6451/5994/files/18658098608.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0436/0306/7038/files/series_66_study_guide.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9105/1161/files/6017850283.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/6359/7466/files/dafixu.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/65529241957.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_off00007691.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7691 | 5596 bytes |
SHA-256: d768f588866f36ed92eb7fae95f43b904cc1cfad2ef0457081e1049327c33088 |
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font_01_sfnt_off00008970.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x8970 | 10240 bytes |
SHA-256: a56a4a952b69ab967659300c50f83b96017a09947f3385152ca0862555a9ef8d |
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