MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains a critical heuristic firing for a malicious redirector link, pointing to 'ttraff.com'. The document body, though heavily obfuscated, contains text related to a 'Carestation 650 service manual' and the malicious URL, suggesting a lure to trick users into clicking the link. The PDF also contains a large number of embedded links, many hosted on 'cdn.shopify.com', which is flagged as a link farm. The primary malicious IOC is the ttraff.com URL, which likely leads to further malicious activity.
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/wb?keyword=carestation%20650%20service%20manual In PDF document text
- http://files.someday-l.com/uploads/1/3/0/8/130814157/nelav.pdfIn PDF document text
- http://files.baileytheatre.com/uploads/1/3/1/3/131380440/2dd9c68d7c8.pdfIn PDF document text
- http://files.hrpsychologyandcoaching.com/uploads/1/3/1/4/131453215/pusun-kewisuwuv.pdfIn PDF document text
- http://files.dalegarellphotography.com/uploads/1/3/0/9/130969724/871e58.pdfIn PDF document text
- http://files.drtaoka.com/uploads/1/3/2/7/132712206/zimiloze-biwororaj-xonujewiwi-tusaku.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/1/0451/1150/9145/files/add_text_to_adobe_reader_x.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/1895/2612/files/artritis_reumatoide_criterios.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/1460/9303/files/navafukobamerevataj.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/4343/8242/files/72680449336.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0447/5761/4741/files/bise_lahore_matric_result_2020.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/muxajuvorupi.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/8166/2613/files/gufatavinujaximaduke.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/2705/4237/files/74898142515.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0436/4884/3934/files/mawifuroxebemaromo.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/6280/4136/files/differential_amplifier_transistor.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/8068/6491/files/quimica_peter_atkins.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9658/8967/files/pexakogezajakexe.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_off00004dde.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x4DDE | 5328 bytes |
SHA-256: a2d70752c147c5efe51d150372ab5f1d24a3005719bd697edbf4fde8dfed90b6 |
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font_01_sfnt_off00005ff3.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5FF3 | 10136 bytes |
SHA-256: 28eab0374082701960d6ec5a0a5056b6b9d14ef2cb87a9bddd050fc2823562b6 |
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