MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.001 Malicious Link
T1059.001 PowerShell
The PDF contains a critical heuristic firing for a malicious redirector link, pointing to 'https://ttraff.cc/pify?keyword=samsung+s7+software+update+android+9'. This indicates a phishing attempt, likely to trick users into downloading malware or visiting a malicious site. The document body, though heavily corrupted, contains fragments of the same lure. The presence of a large number of embedded links, many hosted on Shopify, suggests a link farm designed to obscure the final malicious destination.
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=samsung+s7+software+update+android+9 In PDF document text
- http://files.ncbcda.com/uploads/1/3/0/8/130814907/4053286.pdfIn PDF document text
- http://dekoloxi.cyclebavaria.com/uploads/1/3/1/3/131379552/5590668.pdfIn PDF document text
- http://mabod.cityreachswissvale.org/uploads/1/3/1/4/131437502/8650411.pdfIn PDF document text
- http://files.norcalstma.org/uploads/1/3/0/7/130775828/3594297.pdfIn PDF document text
- http://files.emeraldleaf.ca/uploads/1/3/2/3/132302966/zibujutew_mosozu.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/1/0435/6017/3717/files/32212777189.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/5063/1319/files/vatax.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/8574/8642/files/mikat.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/1755/8426/files/18842714607.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/5744/6038/files/96352143133.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/2965/9805/files/54100544367.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0440/8007/0821/files/fizonesafuweduf.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0440/7925/1608/files/cholera_epidemiology.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/8106/3838/files/vehicle_registration_sticker_form_vtr-_60.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/7179/0494/files/heroes_of_hammerwatch_puzzle_guide.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/4921/3349/files/bavuxoxipitategujid.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/4853/3142/files/sawopebuniwir.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/4046/4281/files/xuruxe.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/3648/2458/files/gofozupexijofubavinokog.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_off0000aad0.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xAAD0 | 5760 bytes |
SHA-256: 8c45b6223078fc0d6bfd0f0436d95b54d1089a237ab588bbc033b4891e57f79f |
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font_01_sfnt_off0000be6d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xBE6D | 14032 bytes |
SHA-256: c10d244cb743e9bbd054b8cdfebd5e37a21504f77c9673f182b380635c5e9a32 |
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