MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF file contains numerous embedded links, with one specifically pointing to a known malicious redirector. The heuristic 'PDF_MALICIOUS_REDIRECTOR_LINK' indicates a critical threat. The file also exhibits characteristics of a link farm, as identified by 'PDF_SEO_LINK_FARM', suggesting an attempt to distribute malicious content through a large number of seemingly legitimate but controlled URLs. The document body is heavily obfuscated and does not provide clear textual intent, but the presence of these malicious links strongly suggests a phishing or malware distribution attempt.
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=allan+kardec+livros+dos+espiritos+pdf In PDF document text
- http://files.weelessons.com/uploads/1/3/1/0/131071035/cbbb5e5.pdfIn PDF document text
- http://files.nppopb.com/uploads/1/3/1/0/131070518/korapul-turusagiwupug-retevoxusezem.pdfIn PDF document text
- http://files.outdoorkidhandbook.com/uploads/1/3/0/8/130814216/nokef.pdfIn PDF document text
- http://files.agbio-inc.com/uploads/1/3/0/7/130776875/ralodukomojopi.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/1/0431/3058/5239/files/21466980511.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/1230/8637/files/mulumisisiwo.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/3622/1341/files/55517899773.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/7826/2689/files/6145619889.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/1415/2607/files/pipigimulilepufe.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/48054684450.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/0623/8626/files/xajifaliledisawafam.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/3049/4878/files/lugerup.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/7245/3797/files/35420125288.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/32829552166.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/6377/9240/files/vixixigilipelidaba.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/gegexovikorojirokelaxedu.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/6645/8265/files/rotupuwoxivilemixenome.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/9603/9833/files/kedanubaneroge.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_off00007892.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7892 | 5052 bytes |
SHA-256: 70dba7a35e44e61ff6433f20da385cff91d7bd80263a4594179b9ab0de94ab54 |
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font_01_sfnt_off000089c6.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x89C6 | 12404 bytes |
SHA-256: 10f62ae3c9785a5c1c39fb88daeda77536fa2e406810520cde3acd5e52ea9c68 |
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