MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF document contains a large number of embedded links, with a critical heuristic identifying it as a PDF link farm. One of the primary links redirects to `https://ttraff.com/pify?keyword=avast+antivirus+apk+android`, which is flagged as malicious redirector infrastructure. This suggests the document is designed to lure users into clicking malicious links, likely for phishing or malware distribution, by impersonating a search result for legitimate software.
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.com/pify?keyword=avast+antivirus+apk+android In PDF document text
- http://files.brunnerfarm.net/uploads/1/3/2/6/132681342/107bf8510e4a.pdfIn PDF document text
- http://files.carolinamountainreefs.com/uploads/1/3/1/3/131380308/kikupazajoximoje.pdfIn PDF document text
- http://files.carawaydeafyouth.com/uploads/1/3/0/7/130775953/9433189.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/1/0428/2938/1791/files/39381727123.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/1164/4324/files/windows_shutdown_noise.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/5048/3368/files/sufepiwopopek.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/2029/5064/files/bekijalodila.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/4606/7621/files/basic_python_programming_questions_and_answers.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/8691/3431/files/42678531375.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/7846/7238/files/jinofufanokisutovixejizuz.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/7099/7151/files/dexadovixigabivexus.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/6084/7004/files/arbitration_law_book.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0445/8224/0420/files/lic_jeevan_tarun_plan_834.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/1421/8151/files/74464614412.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 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00005945.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5945 | 5032 bytes |
SHA-256: e6a09581cfca82daa75d00e70660f2060461de090067d5dcdf4f275defb0e833 |
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font_01_sfnt_off00006a76.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6A76 | 10532 bytes |
SHA-256: f106d7715228b5d473c3d95fb78f4a590b18c4ef73af9fb2bf2f5b1817f039fc |
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font_02_sfnt_off00008e89.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x8E89 | 16144 bytes |
SHA-256: 2a5f1667c2e343500efde63e3dd6a136498333968b1680966ac5eb34589f1174 |
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