MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF file contains multiple embedded links, with a critical heuristic firing for a malicious redirector. The document body, though heavily obfuscated, contains the URL 'https://ttraff.ru/pify?keyword=kdigo+guidelines+2018+anemia', which is flagged as malicious. This suggests the document's primary purpose is to redirect the user to a potentially harmful site, likely for phishing or malware delivery. No scripts were extracted, limiting the analysis of further execution chains.
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=kdigo+guidelines+2018+anemia In PDF document text
- http://sanefis.kimberlifreilinger.com/uploads/1/3/1/4/131482975/1139622.pdfIn PDF document text
- http://files.dolphiness.net/uploads/1/3/0/7/130775402/litenaxa.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/1/0435/9120/5021/files/pdf_antibiotics_classification.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/7514/9719/files/xefijuwinirumeregibaj.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/4994/2176/files/restaurant_inspections_forsyth_county_nc.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/4610/0377/files/fabukediz.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/4519/9784/files/paxowik.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/8267/8433/files/95577326096.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/papixusisijipe.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/3519/6568/files/bootstrap_form_login_signup.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/5480/0797/files/pidevexapede.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/3405/7621/files/google_sheets_onedit.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/9821/0461/files/angelique_kidjo_songs_free.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/5661/0976/files/pibasiri.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/4493/6599/files/7609354151.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:
colleenscoachingcorner.com
4 samples
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00005cdc.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5CDC | 5340 bytes |
SHA-256: 24ac1fc9d4bb3b3d985923266fa8166044380ff3974965446a618d152a39ef47 |
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font_01_sfnt_off00006eed.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6EED | 10404 bytes |
SHA-256: 4961e4788a71378f8367fe9c074231abbd906c5a3c74134a3751db33fe43e2a7 |
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font_02_sfnt_off0000925d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x925D | 4324 bytes |
SHA-256: 4fcfa7c68d76e23b667942a3ac892d2d5d88346478daafc61479ad4df4af3dd3 |
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