MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF contains numerous links, including one identified as a malicious redirector to 'ttraff.com'. The document body, though heavily obfuscated, contains text related to 'research papers' and includes the malicious URL, suggesting a lure to trick users into clicking. The presence of a large number of external PDF links further indicates a link farm or SEO poisoning tactic to distribute malicious content.
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=research+papers+on+cryogenic+rocket+engine+pdf In PDF document text
- http://kabazi.empathsandlightbeings.com/uploads/1/3/1/4/131437689/galoregija.pdfIn PDF document text
- http://files.bellacalore.com/uploads/1/3/0/8/130814279/mumubimogamu-fupedevumebat-ropetiwajo.pdfIn PDF document text
- http://files.bestfenceonline.com/uploads/1/3/0/7/130776104/3845835.pdfIn PDF document text
- http://files.sayre-computer.com/uploads/1/3/0/7/130775808/c5ea177a2ad.pdfIn PDF document text
- http://files.the-tan-can.com/uploads/1/3/2/8/132815742/bupididaniv.pdfIn 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/1/0431/2721/0144/files/ielts_writing_task_2_samples_academic_band_8.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/5037/6099/files/august_month_current_affairs_in_telugu.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/1773/2249/files/november_2020_calendar_free.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/8858/4605/files/xowub.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/8572/5850/files/90652374225.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/7473/1685/files/green_gram_health_benefits.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/7112/7206/files/70010754487.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/1442/2677/files/polos.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/0962/2687/files/censor_beep_sound_effect.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/6837/5719/files/21914229546.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/4143/1464/files/36612958636.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/45397061855.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/9408/0677/files/sewawutedab.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 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00006936.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6936 | 5344 bytes |
SHA-256: 901aac1051d99252d6df421ab7681fd02af8a734c425c5a443730b647dd7ccd3 |
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font_01_sfnt_off00007b5f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7B5F | 12500 bytes |
SHA-256: 5467494f51efc538f84855d387c9b7273313ec1d6e3aa454350831db8c628529 |
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font_02_sfnt_off0000a2eb.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xA2EB | 4324 bytes |
SHA-256: 1062cd8ddf90f4344fa193b395386d5669df1a952e5759311ca261a71931f361 |
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