MALICIOUS
242
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains numerous links to an SEO redirector, which is a common tactic for distributing malicious content or conducting phishing campaigns. The presence of a malicious redirector URL and a large number of external PDF links strongly suggests a malicious intent to redirect users to harmful sites. The ML classifier also flagged this PDF with high confidence.
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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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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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://ttraff.ru/pify?keyword=calendario+mundial+2020+pdf+portugal In PDF document text
- http://fuxesogof.artrageousperformingartscenter.com/uploads/1/3/0/8/130874359/somowafemujidaf-bilijot-zeribiziwuxepot-kagugajukudebaj.pdfIn PDF document text
- http://files.littlelyricist.com/uploads/1/3/1/8/131871644/0f7b24.pdfIn PDF document text
- http://files.caseyjohnsondesigns.com/uploads/1/3/0/7/130739864/6994137.pdfIn PDF document text
- http://mejopox.cbcmtg.org/uploads/1/3/2/6/132682883/5242569.pdfIn PDF document text
- http://nivijevi.a1nerdyhomes.com/uploads/1/3/1/4/131407148/gogefulirov-butinoxagiwiwag-dujerosozademo-pepuru.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/1/0445/6975/5812/files/online_urdu_poetry_books.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/5840/5274/files/attributes_of_god_aw_pink.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/4098/1660/files/rinima.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/4790/1592/files/bromelin_propolis_spray_bula.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0436/7400/9753/files/regaderure.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/5112/2842/files/nugezuvanijesewodasiwitun.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/8104/7965/files/minezavinal.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/9322/0758/files/titudabizovutomol.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/3799/0805/files/duxuxoniwivojiwori.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0447/1003/5609/files/bachon_ki_kahaniyan_download.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/8938/5885/files/categorias_del_materialismo_dialectico_rosental.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9318/1081/files/dizerunumifukiwaredur.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_off00006229.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6229 | 5360 bytes |
SHA-256: 1224fb59a44101cbd9c6bb0930ec853ca7eb2632782f59432d64ad60a871f540 |
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font_01_sfnt_off0000744d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x744D | 9892 bytes |
SHA-256: a28a9c0cf6712ed972b6e9c622e9ba5d20ceb17e9cc090e4293e50e5f4202147 |
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