MALICIOUS
214
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
T1204.002 Malicious Link
The PDF document contains multiple embedded links, with one pointing to a known malicious redirector. The document body text and heuristics indicate a lure for downloading content, likely to redirect the user to malicious infrastructure. The presence of a QR code lure further supports a phishing or social engineering attack vector.
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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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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QR-code redirect lure medium SE_QR_LUREDocument instructs the user to scan a QR code with a phone — consistent with QR phishing, but also common in legitimate documents
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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=internet+of+things+ppt+pdf+download In PDF document text
- http://files.wideworldofc.com/uploads/1/3/1/4/131438423/defujutut_rotupugo.pdfIn PDF document text
- http://files.brendachrystie.com/uploads/1/3/2/7/132741476/zeraje-telozusivexogut.pdfIn PDF document text
- http://files.healthybeautyenergy.com/uploads/1/3/0/7/130775982/maranif.pdfIn PDF document text
- http://fontawesome.iohttp://fontawesome.io/license/In 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/1/0433/4141/4552/files/83277511262.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/7881/1797/files/73000334890.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/sividejujim.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/9954/6010/files/kalivegewujewodotupob.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/8017/9109/files/safety_management_system_manual.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/6855/5415/files/27290919899.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/2139/4343/files/busqueda_y_seleccion_de_informacion.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/6026/4096/files/basic_english_words.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/3860/5461/files/18829578937.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/4102/9276/files/rizixudopa.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0438/9535/7595/files/80004723289.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
- http://dejavu.sourceforge.netIn PDF document text
- http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text
Extracted artifacts 4
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00005d9a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5D9A | 1696 bytes |
SHA-256: c80b935bb2e72fbf0bb54bead4dcf673e2ee9ff5a06d35ab91e29c0786333a85 |
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font_01_sfnt_off000065c4.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x65C4 | 5332 bytes |
SHA-256: 70b98fb40ec67c0ad6ff83d44d4a9cfac2b504b7f162ed251253586a206fdbef |
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font_02_sfnt_off000077fa.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x77FA | 13888 bytes |
SHA-256: dc5c93568d18e56d52850a815deb69f4a726c3d874784d37f4ba177dbe632d75 |
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font_03_sfnt_off0000a3be.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xA3BE | 16092 bytes |
SHA-256: bfc441d837b7b3b6e145db50ef40ca26079b22b75b7d4883bc21c88ef510c1a9 |
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