MALICIOUS
234
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF contains a malicious redirector link disguised as an 'action verb quiz'. The ML classifier strongly indicates maliciousness. The document body and embedded URLs point to a lure designed to trick users into visiting a malicious site, likely for further exploitation or credential harvesting.
Machine Learning
- Nyx PDF Classifier malicious score 1.0000
Heuristics 6
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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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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=action+verb+quiz+pdf In PDF document text
- http://files.berlinperspectives.com/uploads/1/3/1/4/131437064/bigabib_fanate_xotivipaj_tufivosewuw.pdfIn PDF document text
- http://files.cmstassel.com/uploads/1/3/1/4/131453007/a2d253d50444d9.pdfIn PDF document text
- http://files.barbershopsingers.org/uploads/1/3/1/4/131454262/bogirisi.pdfIn PDF document text
- http://files.newprovidencebaptistchurchparis.com/uploads/1/3/2/6/132681891/fubujuxolidonigixoze.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/1/0428/9835/8432/files/metegemekipezafekude.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/8904/3358/files/gekovozumelesav.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/1507/7022/files/google_maps_setcenter.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/3885/0719/files/zirokorizirudimunu.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/9433/4870/files/selena_gomez_slow_down_lyric.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/9422/8630/files/43775487563.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/2154/9217/files/writing_equations_in_latex.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/8499/7025/files/56864807776.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/0016/8597/files/41837426068.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/8820/7254/files/paulo_coelho_libros_el_zahir.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0449/1057/5771/files/psicologia_que_estudia.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/4832/1692/files/denosujaguzenuzasazejew.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_off00004a4a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x4A4A | 5092 bytes |
SHA-256: 0432dc5d3c6b0b3cf10bcc44cb8e43d4fc3dfbdd8fe8effedc4d7a9c23108901 |
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font_01_sfnt_off00005bab.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5BAB | 9712 bytes |
SHA-256: 57cafd0eb5acb649af1edb0bdb6c8017ce8e8ad5c24fe2c0a95fd06df62a5b21 |
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