MALICIOUS
174
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF contains a heuristic firing for a malicious redirector link, pointing to 'https://ttraff.com/pify?keyword=holt+mcdougal+algebra+1+pdf+answers'. The document body, though heavily obfuscated, also contains this URL, suggesting it's the primary lure. The file type and the nature of the URL indicate a phishing attempt disguised as a document download.
Machine Learning
- Nyx PDF Classifier malicious score 0.9999
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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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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Brand-impersonation credential phishing lure high SE_BRAND_CREDENTIAL_PHISHDocument impersonates a well-known consumer brand and uses account-security / verification language ('unusual activity', 'account on hold', 'verify your account') to steer the reader to a credential-harvesting link. Corroborated by: call-to-action link host does not match the impersonated brand: https://ttraff.com/pify?keyword=holt+mcdougal+algebra+1+pdf+answers.
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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=holt+mcdougal+algebra+1+pdf+answers In PDF document text
- http://files.blackandbrownarebeautiful.com/uploads/1/3/0/7/130740138/a6ce21ddf739.pdfIn PDF document text
- http://files.visualratio.com/uploads/1/3/1/3/131383456/8384621.pdfIn PDF document text
- http://files.rabbithillhome.com/uploads/1/3/0/9/130969681/vidusubupet_rufaba_xikupajizikot.pdfIn PDF document text
- http://kitog.confetticakeshop.com/uploads/1/3/1/4/131482853/wejozenarosazu_vevewimopili_rugipal.pdfIn PDF document text
- http://files.australianfoodie.com/uploads/1/3/1/4/131483955/3712783.pdfIn PDF document text
- http://www.opentle.orgIn 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/1/0430/6088/7705/files/22480202981.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/1356/0727/files/sacred_contracts_caroline_myss.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/rejumaxerufu.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/2121/3591/files/pakebavopufa.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/3861/3415/files/nugobifomazupebejatuli.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/8558/6849/files/44069253065.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/58014629257.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/1958/3133/files/1842838718.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/3464/7445/files/xray_texture_pack_1._7_10.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0436/9799/5944/files/dmv_cheat_sheet_free.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://www.gnu.org/licenses/gpl.htmlIn PDF document text
- http://scripts.sil.org/OFLIn PDF document text
Extracted artifacts 4
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
stream_007_off0002913d.bin |
decompressed-pdf-stream | PDF FlateDecoded stream at offset 0x2913D | 7992 bytes |
SHA-256: bd92f4f33eb6f0c7dd3c2ac318e77e19396f5942bcd58a095cbe14babc098b20 |
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font_00_sfnt_off00027025.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x27025 | 3848 bytes |
SHA-256: 4f3ce39fa2c1cf7a8107a0537c1ad780c61ec057aa1a8938ff266f58238e2a9d |
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font_01_sfnt_off00027dd1.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x27DD1 | 5720 bytes |
SHA-256: 4c92b99b849f9efb2fb96c89bb7f933c3dc5c8e686be67024011736dc82df312 |
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font_03_sfnt_off0002a763.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x2A763 | 10948 bytes |
SHA-256: a91127083e5cb791632cd25cd966d5cfbc844b487be8b8d34ed0ff3e475accee |
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