MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF contains a link farm designed to redirect users to malicious infrastructure, specifically identified by the heuristic PDF_MALICIOUS_REDIRECTOR_LINK. The primary malicious URL is https://ttraff.ru/pify?keyword=arabic+letter+flashcards+pdf. The document body, though heavily obfuscated, also contains this URL, suggesting a lure to disguise malicious activity. The ML classifier strongly supports the malicious verdict.
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.ru/pify?keyword=arabic+letter+flashcards+pdf In PDF document text
- http://files.porterridgeband.org/uploads/1/3/0/7/130775229/tedigiselirejij-kitunesorem-datem.pdfIn PDF document text
- http://fajaru.inspirerconsulting.com/uploads/1/3/2/7/132741555/wupokigobitajetino.pdfIn PDF document text
- http://files.sylvesterelementary.org/uploads/1/3/1/3/131381450/6244228.pdfIn PDF document text
- http://bebovu.jewelwing.com/uploads/1/3/1/0/131070374/zabutonejabadibuwipu.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/1/0429/0409/2839/files/66931862922.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0427/9648/2727/files/punjab_text_book_physics_9th_class_english_medium.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/0777/8711/files/50917431821.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/7578/8184/files/rinnai_tankless_water_heater_manual.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/5930/5880/files/tamuwiritataxaxupu.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/3662/2498/files/20534530905.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/8828/9694/files/wadapulame.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0436/8728/0790/files/bin_sachivalay_paper_2020_download.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/0723/6503/files/31751890745.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/4944/2715/files/sound_of_silence_text.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/5802/8959/files/tavugejed.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0440/2829/7381/files/romewigoxegokidaroweze.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/9970/8821/files/pathophysiology_of_sepsis.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
🗂 Part of campaign:
jewelwing.com
4 samples
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
stream_004_off00005dcc.bin |
decompressed-pdf-stream | PDF FlateDecoded stream at offset 0x5DCC | 14512 bytes |
SHA-256: 249c5b6d34f1b9af3a33b288cf4ad74f1306b7dbd70a675500d815f14c4d7953 |
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font_00_sfnt_off00004b9a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x4B9A | 5372 bytes |
SHA-256: a03ee3719d440641df11a6424a92b314ade41c64551c1865ac73350a0250f707 |
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