MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF file contains numerous embedded links, with a significant portion pointing to a redirector service. The primary malicious URL, https://ttraff.com/pify?keyword=complete+anatomy+3d4medical+apk, is identified as a malicious redirector. The document body, though heavily obfuscated, contains references to 'complete anatomy 3d4medical apk', suggesting a lure to download potentially unwanted or malicious software. The presence of a large number of external PDF links, many pointing to unknown domains, further supports the malicious intent.
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.com/pify?keyword=complete+anatomy+3d4medical+apk In PDF document text
- http://fevapapa.theluckyonez.com/uploads/1/3/1/4/131437308/9095502.pdfIn PDF document text
- http://sotifa.saclegalprep.com/uploads/1/3/1/6/131606620/876fc.pdfIn PDF document text
- http://kijal.hyesookchoi.com/uploads/1/3/1/4/131437363/guduzefital_didowa.pdfIn PDF document text
- http://files.hmonghistorycenter.org/uploads/1/3/2/7/132740606/fea7238a4995.pdfIn PDF document text
- http://files.orchidstars.com/uploads/1/3/2/7/132710659/pufonugidoximo_duzoremegajog.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://scripts.sil.orgThisIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/6249/2310/files/38056088246.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/7526/4919/files/prevention_of_food_adulteration_rules_1955.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/0942/5056/files/because_beatles_satb.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/6750/6845/files/philippe_aries_centuries_of_childhood.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0441/2728/9496/files/diabetes_mellitus_guidelines_sri_lanka.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/1083/4077/files/3754981577.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/1320/9246/files/osrs_water_battlestaff.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9930/8700/files/short_history_of_ottoman_empire.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/2170/5124/files/betenaledo.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/7125/0336/files/soguberusaxelin.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/7188/8803/files/dokor.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/5843/8056/files/44846636949.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://scripts.sil.org/In PDF document text
- http://scripts.sil.org/OFLAbyssinicaIn PDF document text
Extracted artifacts 4
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00006b16.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6B16 | 5268 bytes |
SHA-256: db1a344a4498635ad3d2e5a41c5a0a7fa6e1d84bd60f36b67d1c9c09a6c3d23e |
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font_01_sfnt_off00007d00.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7D00 | 20848 bytes |
SHA-256: d49bdbfb519552eff2190ac0438f99e5de4d230a8188c609a829d4634fff926f |
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font_02_sfnt_off00009cc4.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x9CC4 | 2120 bytes |
SHA-256: 4e67e8fe331ca72f6706838fce839931bf339cc86c5af4b4b27b9936476b0a6b |
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font_03_sfnt_off0000a5ea.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xA5EA | 10744 bytes |
SHA-256: 0be7e5967748114a3f99f0bd30cf63aca62a726e5d8a8e6020355380bbb2adb3 |
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