MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file was identified as malicious due to the presence of a large number of external links, a technique often used to redirect users to malicious sites. One critical heuristic firing specifically flagged a link to a known malicious redirector infrastructure. The document body contains garbled text and metadata indicating it was generated by wkhtmltopdf, suggesting it's not a legitimate document but rather a container for malicious links.
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.cc/pify?keyword=languidez+de+alfonsina+storni In PDF document text
- http://riwomat.eamstudio.com/uploads/1/3/2/6/132681218/lotukuraliwobitix.pdfIn PDF document text
- http://jofufakov.dhsdrama.com/uploads/1/3/2/7/132740249/wekimolagusi-dazinoleko.pdfIn PDF document text
- http://durilusok.missinternationalaustralia.com.au/uploads/1/3/1/4/131406592/0e5a1.pdfIn PDF document text
- http://files.philgoldmanphotography.com/uploads/1/3/1/8/131856567/770214.pdfIn PDF document text
- http://nogudub.linipik.net/uploads/1/3/0/9/130969572/37025.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/1/0436/9563/6633/files/47287752677.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/5335/0040/files/vivid_verbs_worksheet.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/2041/8198/files/flip_book_template_after_effects.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/2756/9576/files/todilirim.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0452/3799/3629/files/anaconda_python_32_bit_windows.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/2756/9576/files/75930931697.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/7431/3621/files/terapia_genica.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/8812/5857/files/kebifevodola.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0436/9186/8313/files/kickboxing_workout.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/7555/0876/files/77662493248.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/9243/5359/files/50359204577.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/3633/4501/files/rekizuwopipese.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_off00007972.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7972 | 4948 bytes |
SHA-256: 0531116623f95a63e2d35ff368da9432d14ba7132705b40e1264f32803ff0d9f |
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font_01_sfnt_off00008a5c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x8A5C | 10220 bytes |
SHA-256: dbfe1ce864a6b911c712ee2f093456e45133eb225d7c5a27a629a055db22b919 |
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font_02_sfnt_off0000ad2f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xAD2F | 4324 bytes |
SHA-256: ff5f0ef16caf3e97cd1984b3a03ea88e11eab8cf63d2ee006085a4b9995833f3 |
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