MALICIOUS
232
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file contains multiple embedded links, with one specifically identified as a malicious redirector. The document body, though heavily obfuscated, contains text suggesting a lure for a 'free download' of an ebook, combined with a call-to-action phrase. This indicates an attempt to trick the user into clicking the malicious link, likely leading to malware download or a phishing site.
Machine Learning
- Nyx PDF Classifier malicious score 1.0000
Heuristics 7
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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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PDF link to algorithmically-generated URL high PDF_RANDOM_URL_LINKPDF contains a clickable HTTP(S) link whose host looks algorithmically generated (pronounceable-random labels) and whose path/query carries a long high-entropy token. This is the randomized-redirector pattern of malspam phishing lures — the visible document is only a prompt — not a PDF parser vulnerability.
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Small PDF is a non-clustered link farm on disposable hosting medium PDF_SEO_DISPOSABLE_LINK_FARMSmall PDF contains many clickable external PDF links spread thin across many distinct hosts (no single dominant host), corroborated by a utm_term SEO-redirector link and/or links parked on free/disposable content hosts. This is the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains, rather than a normal document citation pattern. The PDF itself carries no exploit — the risk is the linked destinations.
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Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTONDocument contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
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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://gettraff.ru/strik?keyword=coraline+ebook+pdf+free+download In PDF document text
- http://lodupab.scherrieandsusayeformersupremes.com/uploads/1/3/0/9/130969632/fuzominelarivup-neneku.pdfIn PDF document text
- http://dizopep.sealustsailing.com/uploads/1/3/1/3/131381787/7454258.pdfIn PDF document text
- http://files.wlfoundation.net/uploads/1/3/0/8/130874262/korasipaxe-gebenuru-suparobob.pdfIn PDF document text
- http://files.salonindigopa.com/uploads/1/3/1/4/131482851/9bc85678.pdfIn PDF document text
- https://site-1036918.mozfiles.com/files/1036918/gowasupudotuliw.pdfIn PDF document text
- https://site-1037875.mozfiles.com/files/1037875/88360628484.pdfIn PDF document text
- http://pemavok.tanyagjewelry.com/uploads/1/3/1/4/131406821/dojopikolunitepupuze.pdfIn PDF document text
- http://zopome.whynautical.com/uploads/1/3/0/7/130775440/2475678.pdfIn PDF document text
- http://files.silverrescue.org/uploads/1/3/1/3/131398334/likiremegemop.pdfIn PDF document text
- http://nisudoker.miriamruberlartist.com/uploads/1/3/2/7/132710634/xumotojeduwajuw.pdfIn PDF document text
- http://files.letscheweddings.com/uploads/1/3/0/7/130740568/rojijagotevu-disumenina.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://uploads.strikinglycdn.com/files/21a9e84b-435e-4eac-8ac8-e22aa49fdf17/kenikokikisaxipopizete.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/f7523681-eee6-4dbb-9881-a7cb13241eda/55346079373.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/ca23e606-438f-4de0-a9a8-439456840089/wutugugo.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_off0000631d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x631D | 5060 bytes |
SHA-256: e9ee7b8e91f27da8d5e7a257ccac021d1c2a0ec3c42fdddcb75c4506a31e30a4 |
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font_01_sfnt_off00007470.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7470 | 10452 bytes |
SHA-256: c467b394771a117461dfda67cc6bfab543c885e25cf418d1b248970f081d702b |
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