MALICIOUS
202
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains a mass of external links, including a critical link to a known malicious redirector. The document body text, though heavily obfuscated, contains the keyword 'afterlight apk pc' and a URL that matches the redirector, suggesting a lure to download potentially unwanted software or malware. The presence of a 'download button' heuristic further supports this phishing-like lure.
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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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.cc/pify?keyword=afterlight+apk+pc In PDF document text
- http://files.skinperfectionnz.com/uploads/1/3/2/6/132695903/a82252642696.pdfIn PDF document text
- http://lujuku.maryknolllibrary.org/uploads/1/3/0/8/130814161/6117f0.pdfIn PDF document text
- http://files.whitepeacockcoffee.com/uploads/1/3/1/4/131436971/7dad80.pdfIn PDF document text
- http://files.eat3foldmobile.com/uploads/1/3/0/7/130738484/4479377.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/1/0428/7424/1187/files/cambridge_fce_answer_sheet_2015.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0440/6162/2437/files/74468325150.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/4921/3349/files/72024468021.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0440/3625/9990/files/54423579992.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/0743/5167/files/pitejozojinupenesezigenuk.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/6422/0058/files/assault_fitness_air_runner_user_manual.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/9527/7214/files/litinavowawafel.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0438/9994/5112/files/antenna_theory_analysis_and_design_4th_edition.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/1313/4757/files/sunorurimuzegeditutufez.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/9801/3857/files/19343574669.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/2485/0842/files/21128372030.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/7252/0352/files/pepele.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/7817/9221/files/ukulele_canon_in_c.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/8423/4398/files/xanudipodusume.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_off00007d2b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7D2B | 5152 bytes |
SHA-256: 04c7943ca766f4287f51f0178e9d191983b1faf79035a013ab1909f5f8034617 |
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font_01_sfnt_off00008ea9.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x8EA9 | 11280 bytes |
SHA-256: 8b84221e6e4b903e9a2265b7b2491dfd68ce157277f64536219559b1b5a10638 |
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