MALICIOUS
254
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
T1204.002 Malicious Link
The PDF document is designed as a lure, using the guise of 'Android studio installation steps' to trick users into clicking a malicious link. This link, https://ttraff.com/pify?keyword=android+studio+installation+steps+pdf, redirects to a PDF link farm hosted on Shopify, which contains numerous links to other PDFs. The document also contains a heuristic firing for requesting recovery secrets, indicating a potential credential harvesting attempt.
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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Recovery secret / private key request critical SE_SECRET_RECOVERY_LUREDocument requests recovery phrases, private keys, backup codes, or saved passwords. Requests for these secrets in a document are high-risk.
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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=android+studio+installation+steps+pdf In PDF document text
- http://files.aimbehavioralhealth.org/uploads/1/3/2/6/132695932/534df.pdfIn PDF document text
- http://files.tchaikovskiana.com/uploads/1/3/0/8/130874566/fodatoziwonunitaw.pdfIn PDF document text
- http://files.stlukepec.org/uploads/1/3/1/3/131381540/2ffee46a2267fca.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://www.daltonmaag.com/In PDF document text
- https://cdn.shopify.com/s/files/1/0435/6997/1363/files/infectious_bronchitis_in_poultry.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/8570/9987/files/rodaxekaj.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/0876/1764/files/naworosoxenitukunaxagon.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/4309/3660/files/double_entry_accounting_system.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/3672/0798/files/7886488675.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/7353/5142/files/33155126840.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/7286/3899/files/52429132473.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/5511/1589/files/19276905720.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/2720/2205/files/bunezikupolevafivepo.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/2833/3222/files/xorasunomanok.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/2292/6492/files/lineare_gleichungen_lsen_bungen.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 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00007edf.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7EDF | 4908 bytes |
SHA-256: eae81d4302014fdd684a622b24e53ac4e36d877a2d42586e7afdb9d0d4499310 |
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font_01_sfnt_off00008f96.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x8F96 | 10312 bytes |
SHA-256: 3c7d596848e66640cc501822ea12ef70bd7cd7ff7078ebb3a46a07e8e2f31bbb |
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font_02_sfnt_off0000b2dc.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB2DC | 4324 bytes |
SHA-256: b50a2106bf82917db0cd3cf88f63c5e8cc3298b343ace5cffc591b35df33d24c |
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